;
- A [エー]
- A and B
- A bad person does not deserve to die in his own bed
- A big difference between what one hears and what one sees
- A bird in the hand is worth two in the bush
- A born fool is never cured
- A child is an everlasting responsibility to parents
- A class
- A cornered rat will bite the cat
- A curse will rebound on yourself as well
- A defeated general should not talk of the battle
- A doubt still remains
- A drowning man will catch at a straw
- A fool may give a wise man counsel
- A foster parent is dearer than a real parent
- A friend today may turn against you tomorrow
- A good beginning makes a good ending
- A great person may be born of perfectly ordinary parents
- A hedge between keeps friendships
- A honey tongue
- A law is a law
- A little leak will sink a great ship
- A little learning is a dangerous thing
- A major
- A man alone soon goes to seed
- A man goes to pieces without a woman to look after him
- A man is not to be judged by his appearance
- A man of talent is ruined by his own talent
- A meeting by chance is preordained
- A minor
- A mother is stronger than any other creature
- A neighbour is better than a relative living far
- A paradise on hearsay
- A person's life is as fleeting as a morning dew
- A proverb meaning not to lower oneself to unjust acts no matter how desperate
- A single seed can eventually produce a great harvest
- A small leak can sink a great ship
- A smile of a beautiful woman is worth a thousand pieces of gold
- A sound mind in a sound body
- A thousand emotions crowd in on me
- A virtuous person does not commit an act that offends his moral principles no matter how hard pressed he may be
- A watched pot never boils
- A wise man changes his mind
- A wise man keeps away from danger
- A-Bomb
- A-D converter
- A-UX
- A-bomb
- A-grade
- A-to-B
- A.D. [エーディー]
- A1
- A5
- A6M Zero fighter
- AA size
- AAA 700 size
- AAMT
- AAR
- AARnet
- AATC
- AA会議 [エーエーかいぎ]
- ABC
- ABC World Airways Guide
- ABC [エービーシー]
- ABCs
- ABCs of ...
- ABC順 [エービーシーじゅん]
- ABE
- ABEND
- ABM
- ABM [エービーエム]
- ABO blood type
- ABO式血液型 [エービーオーしきけつえきがた]
- ABR
- ABS
- ABnormal END
- AB型 [エービーがた]
- AC
- AC [エーシー]
- AC generator
- AC unit
- ACCS
- ACK
- ACL
- ACL [エーシーエル]
- ACM
- ACM [エーシーエム]
- ACOS
- ACOS [エーコス]
- ACRS
- ACRS [エーシーアールエス]
- ACS
- ACSE
- ACTH
- ACU
- AD
- AD [エーディー]
- AD converter
- ADA
- ADB
- ADC
- ADCAS
- ADD
- ADDMD
- ADE
- ADEM
- ADESS
- ADESS [アデス]
- ADF
- ADHD
- ADHD [エーディーエッチディー]
- ADJ
- ADL
- ADMD
- ADO
- ADP
- ADP [エーディーピー]
- ADPCM
- ADPCM [エーディーピーシーエム]
- ADR
- ADSL
- ADSL [エーディーエスエル]
- ADministrative Management Domain
- AED
- AF
- AF signal generator
- AFC
- AFK
- AFR
- AFS
- AGC
- AGM
- AGR
- AGR [エージーアール]
- AI
- AI [エーアイ]
- AIDS
- AIDS [エイズ]
- AIDS vaccine
- AIDS virus
- AID人工授精 [ひはいぐうしゃかんじんこうじゅせい]
- AIESEC
- AIF
- AIFF
- AIH人工授精 [はいぐうしゃかんじんこうじゅせい]
- AIMM
- AIR NFS
- AIS
- AIX
- AKY [エーケイワイ]
- AL-Mail
- ALA
- ALD
- ALD [エイエルディー]
- ALE
- ALE [エイエルイー]
- ALS
- ALS [エーエルエス]
- ALT
- ALT [エイエルティー]
- ALTA VISTA
- ALU
- AM
- AMD
- AMD-K6
- AMD-K7
- AMI
- AMP [エーエムピー]
- AMPS
- AMeDAS
- ANA
- ANC
- AND circuit
- AND element
- AND gate
- AND operation
- ANK
- ANS
- ANSER
- ANSI
- ANSI - American National Standards Institute
- ANZUS
- ANZUS Security Pact
- ANZUS Treaty
- AO
- AO [エーオー]
- AOCE
- AOCE [エーオーシーイー]
- AOL
- AOL [エーオーエル]
- APDA
- APEC
- APEC [エイペック]
- APEC [エーペック]
- APEX fare
- APG
- API
- APICNET
- APL
- APPC
- APT
- AP通信社 [エーピーつうしんしゃ]
- AQI
- AR
- ARCHIE
- ARJ
- ARM
- ARMD
- ARMM
- ARP
- ARPA
- ARPANET
- ARQ
- ART
- ARU
- AS-400
- ASAP
- ASATERM
- ASCII
- ASCII Net
- ASCII coding
- ASCII data transfer with XON-XOFF flow control
- ASCII file
- ASCII mode
- ASEAN
- ASEAN [アセアン]
- ASF
- ASIC
- ASIMO
- ASKUL
- ASL
- ASM
- ASP
- ASPAC
- ASPI
- ASR
- ASROC
- ASSIST
- ASSR
- AT command
- AT&T
- AT-compatible
- ATA
- ATAPI
- ATC
- ATICS
- ATICS [アティックス]
- ATM
- ATM [エーティーエム]
- ATM card
- ATOK
- ATP
- ATP [エーティーピー]
- ATS
- AT互換機 [エーティーごかんき]
- AU
- AUI
- AUTOEXEC.BAT
- AV [アダルトビデオ]
- AV node
- AVI
- AVM
- AVR
- AV女優 [エーヴイじょゆう]
- AWB
- AWGN
- AZT
- Aaargh!
- Abe Cabinet
- Abelian
- Abelian group
- Abercrombie & Fitch
- Aberdeen Angus
- Aboriginal languages
- Abudefduf
- Abukuma class destroyer escort
- Abyssinia
- Abyssinia jackal
- Abyssinian
- Academy Award
- Acala
- Acalanatha Vidya-raja
- Acanthamoeba
- Acanthopanax sciadophylloides
- Acanthuridae
- Acanthuroidei
- Acanthurus
- Acapulco damselfish
- Acapulco gregory
- Acapulco major
- Access Unit
- Access and Benefit-Sharing
- Accutane
- Aceraceae
- Acheilognathus macropterus
- Acheilognathus rhombeus
- Acheilognathus typus
- Achilles
- Achilles argument
- Achilles tang
- Achilles tendon
- Achilles tendon reflex
- Achilles' heel
- Act for Establishing a Recycling-Oriented Society
- Act of Uniformity
- Act on Port Regulations
- Act on Preventing Collisions at Sea
- Actinides
- Actinopterygii
- Active Desktop
- Active Directory
- Active Perl
- Active Server Page
- ActiveServerPages
- ActiveX
- ActiveX Documents
- Acts of the Apostles
- Ada
- Adam's Apple
- Adam's apple
- Adams-Stokes syndrome
- Adaptive Delta Modulation
- Adaptive Transform Coding
- Add-Strip
- Addison's disease
- Addison's syndrome
- Adelie penguin
- Adenovirus
- Adidas
- Administration
- Administration Directory Management Domain
- Administration Management Domain
- Administrative Management Agency
- Administrative Procedures Act
- Adobe
- Adoration of the Magi
- Adult's Day
- Advanced Program-to-Program Communication
- Advanced Research Projects Agency Network
- Advanced Service Support Information System Technology
- Adventists
- Advisory Committee on Reactor Safeguards
- Aegean civilization
- Aegis
- Aegis ship
- Aegis system
- Aeolian mode
- Aequidens
- Aequidens diadema
- Aesop's Fables
- Afele's fringefin goby
- Afele's pygmy goby
- Afghan
- Afghan Wars
- Afghan stitch
- Afghanistan
- Africa
- African
- African American
- African American Vernacular English
- African Continent
- African National Congress
- African arowana
- African buffalo
- African butterflyfish
- African clawed frog
- African coris
- African daisy
- African elephant
- African knifefish
- African lily
- African lynx
- African mole rat
- African penguin
- African pompano
- African scat
- African snook
- African spadefish
- African violet
- African wildcat
- African-American
- African-American music
- Afrikaans
- Afrikaner
- Afro
- Afro-Asian Conference
- Afro-Asiatic
- Afro-Caribbean
- Afro-Cuban rhythm
- Afro-hair
- After Dark
- After pleasure comes pain
- AgNO3
- Agaricus subrufescens
- Age of Discovery
- Age of Exploration
- Age will tell
- Agelena limbata
- Agenbite of Inwit
- Agency for Cultural Affairs
- Agency of Natural Resources and Energy
- Ageneiosidae
- Agent Orange
- Agni
- Agnus Dei
- Agora
- Agreement on Trade-Related Aspects of Intellectual Property Rights
- Agricultural Land Act
- Agricultural Produce Inspection Law
- Agriculture Minister
- Agrimonia pilosa var. japonica
- Agrippa
- Ah!
- Aha!
- Aichi prefecture
- Aikido rear defence
- Aikido seated defence
- Aikido technique
- Ainu
- Ainu bear festival
- Ainu mouth harp
- Air Force
- Air France
- Air Mosaic
- Air Pollution Control Law
- Air Self-Defense Force
- AirMac
- Airborne Brigade
- Airborne Division
- Aizu lacquer ware
- Ajase complex
- Ajinomoto
- Akamitori era
- Akasagarbha
- Akasaka Prince Hotel
- Akhal-Teke
- Akihabara style
- Akita
- Akita prefecture
- Akitakomachi
- Akkadian
- Ako Roshi
- Akoya pearl oyster
- Akshobhya
- Akutagawa Award
- Akutagawa Prize
- Al Qaeda
- Al Qaida
- Alan
- Alan Smithee
- Alangiaceae
- Alas
- Alas!
- Alaska bellheather
- Alaska plaice
- Alaska pollack
- Alaskan brown bear
- Alaskan fur seal
- Alaskan malamute
- Albania
- Albanian
- Albertosaurus
- Albireo
- Albizia julibrissin
- Alcor
- Alcyone
- Aldebaran
- Aleph
- Aleutian Canada goose
- Alex
- Algeria
- Algol
- Algonquin
- Alice band
- Alien Registration Law
- All Hallows' Day
- All Nippon Airways
- All Ordinaries
- All Saints Day
- All Saints' Day
- All Souls' Day
- All great men like women
- All is plunged into darkness
- All is void
- All is well that ends well
- All living things must die
- All rights reserved
- All roads lead to Rome
- All ships retreat
- All things come to those who wait
- All worldly things are transitory
- All's grist that comes to his mill
- All-Australian Open
- All-England Open
- All-Japan
- All-Japan Federation of Student Self-Government Associations
- Allah
- Allen Smithee
- Allen's chromis
- Allied Council for Japan
- Allium wakegi
- Alopias
- Alopiidae
- Alpen
- Alpha Data
- Alpha Ori
- Alpha Orionis
- Alpha-Lyrae
- Alphard
- Alpine events
- Alpine leek
- Alpine skiing
- Alpine sports
- Alt Key
- Altaic
- Altair
- Altair8800
- Alternative name for Juniperus chinensis L. var. procumbens
- Alternative name for henon bamboo
- Although blue dye comes from the indigo plant
- Alzheimer
- Alzheimer's
- Alzheimer's disease
- Ama no Mihashira
- Ama no Nuhoko
- Ama no Ukihashi
- Ama-no-Murakumo no Tsurugi
- Amami rabbit
- Amanita virgineoides Bas
- Amaranthus tricolor
- Amarna letters
- Amarna period
- Amaterasu
- Amaterasu Oomikami
- Amazon
- Amazon River
- Amazon.com
- Amazonian troops
- Amazons
- Ambon chromis
- America
- America On Line
- America and Britain
- America and China
- America and France
- America and Germany
- America and North Korea
- America's Cup race
- America-North Korea
- American
- American Broadcasting Company
- American English
- American Independence day
- American Indian
- American League
- American National Standards Institute
- American Revolution
- American Revolutionary War
- American Shorthair
- American Sign Language
- American Standard Code for Information Exchange
- American Standard Code for Information Interchange
- American War of Independence
- American alligator
- American aloe
- American badger
- American beaver
- American bison
- American black bear
- American brook lamprey
- American bullfrog
- American car
- American casual
- American chameleon
- American cockroach
- American coffee
- American comic book
- American continent
- American cotton
- American crocodile
- American culture
- American currency
- American delegation
- American depositary receipt
- American dollar
- American dream
- American film
- American football
- American ginseng
- American golden plover
- American goldfinch
- American graduate law school entrance test
- American kestrel
- American league
- American lion
- American military
- American military base
- American mink
- American movie
- American newspaper
- American of Japanese descent
- American paddlefish
- American person
- American plan
- American pokeweed
- American position
- American press
- American redstart
- American representatives
- American robin
- American rugby
- American sauce
- American school
- American side
- American sign language
- American spoken English
- American submarine
- American sweetgum
- American sycamore
- American wigeon
- American wood
- American-British
- American-French
- American-German
- American-Korean
- American-Soviet
- Americanise
- Americanism
- Americanize
- Amerindian languages
- Ameslan
- Amhara
- Amharic
- Amida Buddha's original vow
- Amiga
- Amish
- Amitabha
- Amitabha Tathagata
- Amitabha's Pure Land
- Amitayurdhyana Sutra
- Amithaba
- Amoghapasa
- Amoghasiddhi
- Amor
- Amos
- Ampere's law
- Amphenol
- Amphichaetodon
- Amtrak
- Amur cork tree
- Amur goby
- Amur minnow
- Amur silvergrass
- Amur stickleback
- Amur tiger
- An Lushan Rebellion
- An idle brain is the devil's shop
- An interchange between the transient and the immutable is central to the soul of haiku.
- An'ei era
- An-Shi Rebellion
- Anabantoidei
- Anacardiaceae
- Analipus japonicus
- Anaphylaxie
- Anatidae
- Anatolian
- Anchorage
- Ancien Regime
- Ancient Chinese banquet music
- Ancillary services
- And you too
- Andean condor
- Andorra
- Andromeda
- Andromeda galaxy
- Anemone Flaccida
- Anemone hupehensis var. japonica
- Angelica dahurica
- Angelica keiskei
- Angen era
- Anglican Church
- Anglican or Episcopal Church
- Anglo-America
- Anglo-American law
- Anglo-Arab
- Anglo-Burmese Wars
- Anglo-Catholic
- Anglo-Dutch Wars
- Anglo-French
- Anglo-Japanese
- Anglo-Maratha Wars
- Anglo-Mysore Wars
- Anglo-Norman
- Anglo-Satsuma War
- Anglo-Saxon
- Angola
- Angora cat
- Angora goat
- Angora rabbit
- Anguilla
- Animalia
- Animated Graphics Interchange Format
- Anisodactylus signatus
- Anna or Anwa era
- Anna's woodpecker
- Annals of the Three Kingdoms
- Annan
- Annunciation Day
- Anoekumene
- Anopheles
- Anotogaster sieboldii
- Ansei era
- Anseriformes
- Answering Machine
- Antarctic Circle
- Antarctic Ocean
- Antarctic Treaty
- Antarctic Zone
- Antarctic air mass
- Antarctic expedition
- Antarctic exploration
- Antarctic region
- Antarctic research base
- Antarctica
- Antares
- Antei era
- Antenoron filiforme
- Anthurium
- Anthurium lily
- Anti-Organized Crime Law
- Anti-Prostitution Law
- Anti-Submarine ROCket
- Anti-Subversive Activities Act
- Antigua
- Antitrust Act
- Anton's syndrome
- Anything is better than nothing
- Anzac
- Anzac Day
- Anzac biscuit
- Aomori prefecture
- Aozora Bunko
- Apache
- Apatosaurus
- Aphananthe oriental elm
- Aphrodite
- Apiaceae
- Apiales
- Apistogramma
- Apochromat
- Apocrypha
- Apolemichthys
- Apollo
- Apollo 11
- Apollo Project
- Apollonian
- Apostle's Creed
- Apostles' Creed
- Appalachian mountains
- Appalachians
- Appian Way
- Apple
- Apple Desktop Bus
- Apple Extended Keyboard
- Apple key
- Apple menu
- AppleTalk
- Application Development Environment
- Application Service Provider
- Application Specific Integrated Circuit
- Application-Specific Integrated Circuit
- Appointment conjecturally reported in a newspaper
- Apricot
- April
- April Fool's Day
- April Fools' Day
- April Theses
- April fool
- April fool's day
- Apristurus
- Apristurus fedorovi
- Apus
- Aquarius
- Aquifoliaceae
- Aquila
- Ara
- Arab
- Arab League
- Arab Spring
- Arab countries
- Arab states
- Arab-Israeli Wars
- Arabesque greenling
- Arabia
- Arabian
- Arabian Nights
- Arabian angelfish
- Arabian butterflyfish
- Arabian camel
- Arabian chromis
- Arabian jasmine
- Arabian light
- Arabian medicine
- Arabic
- Arabic numeral
- Arabic script
- Arabis flagellosa
- Araceae
- Araliaceae
- Aram
- Aramaic
- Aramaic letter
- Aran
- Araneus ventricosus
- Arbor Day
- Arca avellana
- Arcadia
- Arcady
- Archaeozoic Era
- Archezoa
- Archimedean spiral
- Archimedes' principle
- Arctic
- Arctic Circle
- Arctic Ocean
- Arctic air mass
- Arctic char
- Arctic cisco
- Arctic expedition
- Arctic flounder
- Arctic forest
- Arctic fox
- Arctic grayling
- Arctic hare
- Arctic lamprey
- Arctic oscillation
- Arctic region
- Arctic skua
- Arctic staghorn sculpin
- Arctic tern
- Arctic wrack
- Arcturus
- Ardisia crenata
- Are you making money?
- Arecaceae
- Ares
- Argentina
- Argentine hemorrhagic fever
- Argentine tango
- Argentinian silverside
- Argiope amoena
- Argus monitor
- Argy wormwood
- Argy's wormwood
- Arhat
- Arianism
- Aries
- Arisaema serratum
- Arisaema urashima
- Aristotle's lantern
- Arita ware
- Arithmetic and Logic Unit
- Ark of the Covenant
- Ark of the Lord
- Armageddon
- Armalite
- Armenia
- Armenian
- Armenian Apostolic Orthodox Church
- Armenian Church
- Armistice Day
- Army Minister
- Arnoux's beaked whale
- Arrow War
- Art abides in a realm that is neither truth nor fiction
- Art brings bread
- Art is long
- Art of the Brush
- Artemis
- Artemisia
- Artemisia annua
- Artemisia apiacea
- Artemisia montana
- Artemisia selengensis
- Artemisia sieversiana
- Arthropoda
- Arthurian romances
- Articles of Confederation
- Arts and Crafts Movement
- Arundo donax
- Aryacalanatha
- Aryan
- Aryavalokitesvara
- As the twig is bent
- Asagiri class destroyer
- Asahi
- Asahi Breweries
- Asahi beer
- Asahi newspaper company
- Asama-Sanso incident
- Asarum caulescens
- Asarum nipponicum
- Asclepios shiranui
- Ascot tie
- Asellus hilgendorfi
- Ash Meadows killifish
- Ash Wednesday
- Ashikaga period
- Ashikaga shogunate
- Ashkenazim
- Asia
- Asia Minor
- Asia Press
- Asia and Europe
- Asia development
- Asia dollar
- Asia influenza
- Asia-Pacific
- Asia-Pacific Association for Machine Translation
- Asia-Pacific Economic Cooperation
- Asia-Pacific War
- Asia-Pacific region
- Asiago cheese
- Asian
- Asian Continent
- Asian Cup
- Asian Development Bank
- Asian Games
- Asian black bear
- Asian butterflyfish
- Asian cicada
- Asian cobra
- Asian comma butterfly
- Asian constable
- Asian countries
- Asian countries with strong anti-Japanese sentiment
- Asian elephant
- Asian fairy bluebird
- Asian giant hornet
- Asian ginseng
- Asian house martin
- Asian house shrew
- Asian influenza
- Asian jasmine
- Asian koel
- Asian melastome
- Asian nations
- Asian pear
- Asian people
- Asian pigeonwings
- Asian poison ivy
- Asian rosy finch
- Asian sheepshead wrasse
- Asian shore crab
- Asian skunk cabbage
- Asian small-clawed otter
- Asian stubtail
- Asian swamp eel
- Asian-African Conference
- Asiatic
- Asiatic black bear
- Asiatic dayflower
- Asiatic dogwood
- Asiatic glassfish
- Asiatic jackal
- Asiatic jasmine
- Asiatic lion
- Asiatic mode of production
- Asiatic toad
- Ask
- Aso Faction
- Asomi
- Asparagus schoberioides
- Aspasma minima
- Asperger's syndrome
- Aspidistra elatior
- Aspite
- Asplenium antiquum
- Asplenium incisum
- Assam indigo
- Assarius butterflyfish
- Assistant Vice-Minister
- Associated Press
- Association Control Protocol Machine
- Association of Copyright for Computer Software
- Association of Southeast Asian Nations
- Assumption
- Assyrian
- Asteraceae
- Asteraceae flowering plant
- Astilbe microphylla
- AstraZeneca
- Astragalus root
- Astralium haematragum
- Astrodome
- Astropecten scoparius
- Asuka Kiyomihara Code
- Asuka period
- Asura
- Asura realm
- Asynchronous Adapter
- Asynchronous Balanced Mode
- Asynchronous Response Mode
- Asynchronous Transfer Mode
- At age fifty
- At forty
- At last your time has come
- Atago class destroyer
- Atai
- Atanasoff-Berry Computer
- Atavaka
- Atelomycterus
- Athena
- Athene
- Athens
- Athlon
- Atlantic Ocean
- Atlantic and Pacific
- Atlantic bluefin tuna
- Atlantic chimaera
- Atlantic herring
- Atlantic knife-nose chimaera
- Atlantic puffin
- Atlantic salmon
- Atlantic sharpnose shark
- Atlantic spadefish
- Atlantic striped bass
- Atlas
- Atomic Bomb Victims' Relief Law
- Atomic Energy Basic Law
- Atomic Energy Commission
- Atomic Energy Damage Compensation Law
- Atomic Energy Research Institute
- Atractylodes japonica
- Atsuta
- Attaboy!
- Atypus karschi
- Auchenipterus
- Aucuba japonica
- Audio Frequency
- Audio Response Unit
- Audit Bureau of Circulations
- Auffenberg's monitor
- August
- Auld Lang Syne
- Aulonocara
- Aulonocara Fort Maguire
- Aulonocara aquilonium
- Aulonocara blue gold
- Aulonocara chizumulu
- Aulonocara koningsi
- Aulonocara rostratum
- Aulonocara white top
- Aulonocranus dewindti
- Aum Shinrikyou religious group
- Aun
- Aureomycin
- Auriga
- Aussie-Rules Football
- Austin
- Australasia
- Australia
- Australia-Japan
- Australian
- Australian aboriginal spear throwing implement
- Australian dollar
- Australian gregory
- Australian marbled catshark
- Australian party
- Australian person
- Australian salmon
- Australian swellshark
- Australian-Rules Football
- Australian-made
- Australoid
- Australopithecus
- Austria
- Austrian School
- Austro-Asiatic
- Austro-Asiatic languages
- Austro-Prussian War
- Austronesian
- Austronesian languages
- Authorized Personnel Only
- Auto Documentation Aid System
- Automated Data Editing and Switching System
- Automated Meteorological Data Acquisition System
- Automated Teller Machine
- Automatic Air Traffic Control
- Automatic Answer Network System for Electrical Request
- Automatic Data Acquisition
- Automatic Frequency Control
- Automatic Priority Group
- Automatic Repeat reQuest
- Automatic Request for Repetition
- Automatic Teller Machine
- Automatic Volume Recognition
- Automatic answer Network System for Electrical Request
- Automatically Programmed Tools
- Automobile Accident Compensation Act
- Automobile Traffic Information & Control System
- Autumn with the sky clear and blue
- Auxis
- Avalokitesvara
- Avalokitesvara Sutra
- Avatamska sutra
- Ave Maria
- Avici
- Avogadro's constant
- Avogadro's law
- Avogadro's number
- Avoid compromising situations
- Awa Odori Festival
- Axel
- Axel Paulsen jump
- Axel jump
- Axis of Evil
- Axis powers
- Aya clan
- Ayatollah
- Ayurveda
- Azerbaijani
- Azores chromis
- Aztec
- Azuchi period
- Azuchi-Momoyama period
- Azuma rhododendron
- Azuma-asobi
- Azumayama thistle
- Azure Dragon
- A型 [エーがた]
- A型肝炎 [エーがたかんえん]
- A系 [エーけい]
- A級 [エーきゅう]
- A級戦犯 [エーきゅうせんぱん]
- B
- B [ビー]
- B cell
- B flat minor
- B grade
- B lymphocyte
- B major
- B minor
- B plus
- B side
- B-52 Bomber
- B-52 Stratofortress
- B-ISDN
- B-side
- B-spline
- B-tree
- B.A.
- B.C. [ビーシー]
- B2B
- B52 [ビーごじゅうに]
- BA
- BAAN
- BADGE system
- BAPI
- BASE jumping
- BASIC
- BBC
- BBC [ビービーシー]
- BBD
- BBQ
- BBQ sauce
- BBS
- BBS [ビービーエス]
- BC
- BC [ビーシー]
- BCC
- BCD
- BCD code
- BCE
- BCG
- BCG [ビーシージー]
- BCG陽転 [ビーシージーようてん]
- BCP
- BC級戦犯 [ビーシーきゅうせんぱん]
- BD
- BD [ビーディー]
- BDSM
- BDSM [ビーディーエスエム]
- BED
- BER
- BGM
- BGM [ビージーエム]
- BIFF
- BIGLOBE
- BIOS
- BIP
- BIPS
- BIS
- BITNET
- BIW
- BJ
- BL
- BL [ビーエル]
- BLOB
- BLコミック [ビーエルコミック]
- BMD
- BMD [ビーエムディー]
- BMP
- BMW
- BNC connector
- BNF
- BOD
- BOD [ビーオーディー]
- BOJ
- BOL
- BOOTP
- BOPS&J
- BOS
- BOT marker
- BOW
- BP
- BPAM
- BPD
- BPF
- BPM
- BR
- BRI
- BRIC
- BRICs
- BS
- BSA
- BSAC
- BSAM
- BSC
- BSD
- BSE
- BSE [ビーエスイー]
- BSI
- BSL
- BSL [ビーエスエル]
- BSc
- BT
- BTB
- BTO
- BWR
- BWR [ビーダブリューアール]
- Ba Gua Zhang or Pa Kua Chang
- Ba'ath Party
- Baath Party
- Babbitt metal
- Babinski reflex
- Babylon
- Babylonian Captivity
- Bacchus
- Bach
- Bachelor of Arts
- Bachelor of Commercial Science
- Bachelor of Engineering
- Bachelor of Laws
- Bachelor of Medicine
- Bachelor of Science
- Bacille Calmette-Guerin
- Bacillus anthracis
- Bacillus coagulans
- Backus-Naur form
- Backus-Naur notation
- Bactrian camel
- Baghdad
- Baha'i
- Bahama
- Bahasa Indonesia
- Baikal seal
- Baikal teal
- Baird's beaked whale
- Baird's tapir
- Bakelite
- Bala shark
- Balcony of Appearances
- Balitoridae
- Balkan Wars
- Ballieu's wrasse
- Ballina angelfish
- Baltic
- Bambi
- Bancho Seisaku Kenkyujo
- Band-Pass Filter
- Bandung Conference
- Bangkok
- Bangladesh
- Bank for International Settlements
- Bank of China
- Bank of England
- Bank of International Settlements
- Bank of Japan
- Bantan Line
- Banti's syndrome
- Bantu
- Bantu language
- Bantu languages
- Bantu peoples
- Banyan
- Baptist
- Barbados
- Barbados cherry
- Barcelona
- Baroque music
- Barr body
- Barriquand et Marre
- Bartholin's glands
- Bartlett
- Bartlett Act
- Base64
- Base64 [ベースろくじゅうよん]
- Basedow's disease
- Basel
- Basic Control Program
- Basic English
- Basic Law for a Gender-Equal Society
- Basic Partitioned Access Method
- Basic Sequential Access Method
- Basque
- Batch Message Processing Program
- Batista procedure
- Batrachospermum gelatinosum
- Battenberg lace
- Battle of Hakodate
- Battle of Iwo Jima
- Battle of Khalkhin Gol
- Battle of Leyte Gulf
- Battle of Midway
- Battle of Nagashino
- Battle of Okinawa
- Battle of Sekigahara
- Battle of Shanghai
- Battle of Stalingrad
- Battle of Ueno
- Battle of Waterloo
- Battle of the Bulge
- Battle of the Philippine Sea
- Batu coris
- Bay of Pigs Invasion
- Bay of Tokyo
- Bayer
- Bayer process
- Bayes
- Bayesian
- Bayrische Motorenwerke
- Be careful not to invite the least suspicion
- Be fruitful
- Be guided by your children when you are old
- Be happy!
- Be not afraid
- BeOS
- Beach Stroker
- Beatlemania
- Beatles
- Beaubrummel
- Beaufort scale
- Beaujolais Nouveau
- Beccari's monitor
- Becky!
- Bedouin
- Beer Hall Putsch
- Beethoven
- Behcet
- Behcet's syndrome
- Behcets disease
- Beijing
- Beijing cuisine
- Being arrogant and overconfident inevitably leads to defeat
- Being slow to take action inevitably leads to defeat
- Beirut
- Beiyang Army
- Belarus
- Belarusian
- Belarussian
- Belfast
- Belgium
- Belgrade
- Belize
- Bell Atlantic
- Bell laboratories
- Bellcore
- Bellows Festival
- Belt for western clothes
- Benelux
- Benelux countries
- Benford's law
- Bengal monitor
- Bengal sergeant
- Bengalese finch
- Bennett's butterflyfish
- Bennett's sharpnose puffer
- Bensasi goatfish
- Benson
- Benten
- Benz
- Berberidaceae
- Berchemia racemosa
- Beretta
- Bergenia stracheyi
- Bering wolffish
- Berkeley
- Berlin
- Bermuda
- Bermuda Triangle
- Bermuda blue angelfish
- Bermuda shorts
- Bernoulli
- Beta Ori
- Beta Orionis
- Betelgeuse
- Better ask than go astray
- Better be the head of a cat than the tail of a lion
- Better be the head of a dog than the tail of a lion
- Better to ask and be embarrassed than not ask and never to know
- Betulaceae
- Between the devil and the deep sea
- Beyrich's slit shell
- Bezier
- Bezier curve
- Bhaisajyaguru
- Bhaisajyaraja
- Bhrahma
- Bhrama
- Bhraman
- Bhutan
- Bi-CMOS
- Biafra doctorfish
- Bible
- Bible studies
- Biblical archaeology
- Big Bang
- Big Ben
- Big Blue
- Big Dipper
- Big Dipper seen on a winter night
- Big Egg
- Big Three
- Big head
- Bikini island
- Bildungsroman
- Bill of Rights
- BinHex
- Bing cherry
- Biot-Savart law
- Biportable
- Bird Day
- Bird Day Fair
- Bird Week
- Birds of a feather flock together
- Birmingham
- BitBlt
- BitTorrent peer-to-peer file sharing protocol
- Biwa oily gudgeon
- Biwia zezera
- BizTech
- Bizen sword
- Bizen ware
- Black Africa
- Black Belt
- Black English
- Black Panther
- Black Power
- Black Scraper
- Black Sea
- Black Tortoise
- Black culture
- Blackburn's butterflyfish
- Blakiston's fish owl
- Bletilla striata
- Block 1
- Blood Pond
- Blood is thicker than water
- Bloody Mary
- Bloody Sunday
- Blossoms fall and leaves scatter
- Blow it out
- Blowin' in the wind
- Blu-ray Disc
- Blue Backs
- Blue Book
- Blue Mountain
- Blue Ribbon
- Blue-Faced Vajra
- Blue-berried honeysuckle
- Bluetooth
- BoJ
- Board of Audit
- Board of Ceremonies
- Board of Education
- Board of Inquiry
- Board of Retainers
- Bode's law
- Bodhi Day
- Bodhi-manda
- Bodhidharma
- Bodhisattva of Compassion
- Bodianus
- Bodianus cylindriatus
- Bodianus dictynna
- Bodianus masudai
- Bodianus oxycephalus
- Bodianus rubrisos
- Bodianus tanyokidus
- Bodianus thoracotaeniatus
- Boeing
- Boer
- Boer War
- Boer's batfish
- Bohemian
- Bohemian glass
- Bohr magneton
- Bohr radius
- Bolivia
- Bolshevik
- Bolshevism
- Boltzmann
- Boltzmann's constant
- Bombay blood
- Bombay duck
- Bombus ignitus
- Bon Festival
- Bon Festival dance
- Bon Festival dance song
- Bon Festival gifts
- Bon Festival lantern
- Bon Festival of the lunar calendar
- Bon and year-end festivals
- Bon festival
- Bon gifts
- Bon holiday period
- Bon holidays
- Bon lantern festival
- Bonapartism
- Bond girl
- Bonin flying fox
- Bonin grosbeak
- Bonin white-eye
- Bontan Ame
- Book of Exodus
- Book of Genesis
- Book of Judges
- Book of the Dead
- Boolean algebra
- Boolean function
- Boolean operation
- Boolean operation table
- Boolean operator
- Bootes
- Bordeaux mixture
- Borland
- Borneo
- Borneo catshark
- Borneo shark
- Bosc's monitor
- Bose particle
- Bose-Einstein condensate
- Boshin War
- Bosnia
- Bosnia-Herzegovina
- Bosnian Conflict
- Boston
- Bostrycapulus gravispinosus
- Botan Ame
- Botan Rice Candy
- Botox
- Botswana
- Bouin fixation
- Bouin's fixative
- Bouin's fluid
- Bouin's solution
- Boulder
- Bourguignon
- Bourne
- Bowman's capsule
- Boxer Uprising
- Boxing Day
- Boy Scouts
- Boy's Day celebration
- Boy's Festival
- Boyle's law
- Boys
- Boys' Festival paper-carp streamers
- Boys' May Festival dolls
- Brachycome
- Brachyscome
- Brad Pitt
- Brahma
- Brahma-Deva
- Brahman
- Brahmanism
- Brahmi script
- Brahms
- Braille
- Branchinella kugenumaensis
- Brassica rapa var. amplexicaulu
- Brassicaceae
- Bratislava
- Braun tube
- Bravo!
- Braxton-Hicks contractions
- Brazil
- Brazil nut
- Brazilian
- Brazilian agouti
- Brazilian barbecue
- Brazilian butterflyfish
- Brazilian elodea
- Brazilian jiu-jitsu
- Brazilian sharpnose shark
- Brazilian tapir
- Brevity is the soul of wit
- Briar Rose
- Brie
- Bright's disease
- Bright's movement
- BrioQuery
- Brisbane
- BritPop
- Britain
- Britain and France
- Britain and Germany
- Britain-America
- Britannia
- British
- British Airways
- British Borneo
- British Broadcasting Corporation
- British Columbia
- British East India Company
- British Empire
- British English
- British Guiana
- British Honduras
- British Isles
- British Museum
- British North America Act
- British Petroleum
- British Standards Institute
- British Sub-Aqua Club
- British Telecom
- British Virgin Islands
- British capital
- British citizen
- British currency
- British empiricism
- British goods
- British made
- British parliament
- British person
- British pronunciation
- British territory
- Briton
- Broadband Integrated Services Digital Network
- Broadcast Act
- Broadcast Satellite
- Broadway
- Brocken
- Brocken bow
- Brocken spectre
- Bromeliaceae
- Bronsted acids and bases
- Brontosaurus
- Bronze Age
- Brooks's Law
- Brotopon
- Broussonetia kazinoki
- Brown Swiss
- Brownian motion
- Brownie
- Browning
- Brugada syndrome
- Brunnich's guillemot
- Brussels
- Brussels sprouts
- Brutus?
- Bryozoa animal
- Btrieve
- Buccinidae
- Buchner funnel
- Bucket Bridge Device
- Buckleya lanceolata
- Budapest
- Budd-Chiari syndrome
- Buddha
- Buddha figure carved into a rock
- Buddha figure carved on a rock face
- Buddha figure in a cabinet
- Buddha prior to Gautama
- Buddha's Birthday
- Buddha's ashes
- Buddha's birthday
- Buddha's birthday celebration
- Buddha's birthday festival
- Buddha's death
- Buddha's gracious teachings
- Buddha's great vows
- Buddha's hand
- Buddha's heart
- Buddha's mercy
- Buddha's name
- Buddha's providence
- Buddha's seat
- Buddha's teaching
- Buddha's teachings
- Buddha's vow to save humanity
- Buddha-like compassion
- Buddhahood
- Buddhism
- Buddhism depart from
- Buddhism flowing forth
- Buddhism only for funerals
- Buddhism transmigration of souls
- Buddhism's highest paradise
- Buddhist
- Buddhist altar
- Buddhist altar equipment
- Buddhist altar fittings
- Buddhist altar light
- Buddhist anniversary service
- Buddhist art
- Buddhist center for study and meditation
- Buddhist ceremony held on July 15
- Buddhist concept
- Buddhist country
- Buddhist decoration engraved with various motifs
- Buddhist deity of love
- Buddhist deity of mercy
- Buddhist doctrine
- Buddhist family chapel
- Buddhist funeral
- Buddhist hell of uninterrupted suffering
- Buddhist holiday on December 8 to celebrate Shakyamuni's enlightenment
- Buddhist image
- Buddhist image maker
- Buddhist image normally withheld from public view
- Buddhist image seat
- Buddhist image used as jewellery or to decorate one's home
- Buddhist images
- Buddhist images of wood
- Buddhist incantation using chanting
- Buddhist lantern festival
- Buddhist learning
- Buddhist literature
- Buddhist memorial service
- Buddhist minister
- Buddhist missionary
- Buddhist monk
- Buddhist monk serving at an attached Shinto shrine
- Buddhist monk who has attained Nirvana
- Buddhist mortuary tablet
- Buddhist music
- Buddhist painting
- Buddhist picture
- Buddhist pilgrim
- Buddhist prayer
- Buddhist preaching
- Buddhist precept prohibiting the consumption of alcohol
- Buddhist priest
- Buddhist priest eating meat dishes and being married
- Buddhist priest or monk worthy of being held as a model
- Buddhist priest who is a government minister
- Buddhist priest's wife
- Buddhist religious service
- Buddhist religious services
- Buddhist revelation through intuitive discernment
- Buddhist rite of cedar-stick burning
- Buddhist ritual
- Buddhist saint
- Buddhist scholar
- Buddhist scriptures
- Buddhist sect
- Buddhist sect originating in the seventh century
- Buddhist seminary
- Buddhist sermon
- Buddhist sermon hall
- Buddhist service
- Buddhist service centred around the Lotus Sutra held over four days in Shiga Prefecture
- Buddhist service for the anniversary of the death of Shotoku Taishi
- Buddhist service held on the anniversary of someone's death
- Buddhist service held on the day of Buddha's death
- Buddhist service in which the eight scrolls of the Lotus Sutra are read one scroll at a time
- Buddhist services during the equinoctial week
- Buddhist services in memory of those drowned in a river
- Buddhist solitary
- Buddhist statue
- Buddhist statue of a figure sitting contemplatively in the half-lotus position
- Buddhist studies
- Buddhist sutra
- Buddhist sutras
- Buddhist symbol of the indestructible truth
- Buddhist teachings
- Buddhist temple
- Buddhist term
- Buddhist theory of the twelve-fold chain of causation
- Buddhist thought
- Buddhist visual schema of the enlightened mind
- Buddhist writings
- Buddhists
- Budget Committee
- Budget Committee of the lower house of the Diet
- Budget Committee of the upper house of the Diet
- Bugger you!
- Bugis
- Bukkouji sect
- Bulgar
- Bulgaria
- Bulgarian
- Bulgur
- Bummei era
- Bumpou era
- Bun'an era
- Bun'ei era
- Bun'ou era
- Buna
- Bunchuu era
- Bundesrat
- Bundestag
- Bungo Japanese apricot
- Bunji era
- Bunka era
- Bunka-Bunsei period
- Bunki era
- Bunkyuu era
- Bunna era
- Bunnan era
- Bunroku era
- Bunryaku era
- Bunsei era
- Bunsen burner
- Bunshou era
- Bunten exhibition
- Bunwa era
- Buraku Liberation Movement
- Burakumin
- Burakumin rights organization formed in 1922
- Burberry
- Burchard's cockle
- Bureau of Shrine Affairs
- Burgess fauna
- Burgess' butterflyfish
- Burkina Faso
- Burkitt's lymphoma
- Burma
- Burmannia championii
- Burmese
- Burmese Wars
- Burmese rosewood
- Bush Doctrine
- Bushido
- Business Software Association
- Businessshow
- Butterfly
- Buys-Ballot's law
- Buzan sect
- BwO
- Bye
- Byzantine
- Byzantine Church
- Byzantine Empire
- Byzantine architecture
- Byzantine art
- Byzantine fashion
- Byzantine style
- Bスプライン関数 [ビースプラインかんすう]
- Bリンパ球 [ビーリンパきゅう]
- B型 [ビーがた]
- B型肝炎 [ビーがたかんえん]
- B専 [ビーせん]
- B淋巴球 [ビーリンパきゅう]
- B系 [ビーけい]
- B細胞 [ビーさいぼう]
- C
- C Bus
- C [シー]
- C and D
- C clef
- C major
- C minor
- C plus plus
- C programming language
- C shell
- C size
- C#
- C++
- C++言語 [シープラスプラスげんご]
- C-beam
- C-in-C
- C-section
- C-stroke
- C3 plant
- C3植物 [シーさんしょくぶつ]
- C4 plant
- C4植物 [シーよんしょくぶつ]
- CA
- CA network
- CAC
- CAD
- CAD [キャド]
- CAD-CAM
- CAE
- CAFIS
- CAI
- CAI [シーエーアイ]
- CALS
- CAM
- CAM [キャム]
- CAM plant
- CAM植物 [カムしょくぶつ]
- CAN
- CANDU reactor
- CANDU炉 [キャンドゥろ]
- CAP
- CAPTAIN System
- CAPTCHA
- CASE
- CASL
- CAT
- CATV
- CATV [シーエーティービー]
- CATV [シーエーティーブイ]
- CATVインターネット [シーエーティーブイインターネット]
- CAV
- CB
- CB [シービー]
- CBD
- CBM
- CBR
- CC data element
- CCD
- CCIR
- CCITT
- CCP
- CCW
- CD
- CD [シーディー]
- CD network
- CD player
- CD radio-cassette
- CD-DA
- CD-G
- CD-I
- CD-R
- CD-ROM
- CD-V
- CDA
- CDC
- CDDA [シーディーディーエー]
- CDE
- CDL
- CDMA
- CDO
- CDP
- CDR [シーディーアール]
- CDROM [シーディーロム]
- CDU
- CDV
- CDs
- CDs and DVDs before the date they officially go on sale
- CD−DA [シーディーディーエー]
- CD−R [シーディーアール]
- CD−ROM [シーディーロム]
- CDプレイヤー [シーディープレイヤー]
- CDプレーヤー [シーディープレーヤー]
- CDラジカセ [シーディーラジカセ]
- CE
- CEA
- CEATEC
- CEO
- CEO [シーイーオー]
- CERN
- CERT
- CES
- CF
- CF [シーエフ]
- CFC
- CFC [シーエフシー]
- CFE
- CFE Treaty
- CFE条約 [シーエフイーじょうやく]
- CFIT
- CFIT [シーフィット]
- CFO
- CFS
- CG
- CG [シージー]
- CGA
- CGI
- CGI [シージーアイ]
- CGM
- CGS単位系 [シージーエスたんいけい]
- CGT
- CHF
- CHI
- CHKDSK
- CHRP
- CI
- CIA
- CIA [シーアイエー]
- CIE
- CIM
- CIO
- CIS
- CIS [シーアイエス]