apex 先端(P);尖端 [せんたん] /(n,adj-no) pointed end/tip/fine point/spearhead/cusp/vanguard/advanced/leading edge/apex (of a curve)/(P)/EntL1388110X/ ------- 尖部 [せんぶ] /(n) apex/EntL1390010X/ ------- 天辺(P);頂辺 [てっぺん(P);てへん(ok);てっぺい(天辺)(ok)] /(n) (頂辺 usually refers to the top of a helmet or one's head) top/summit/apex/peak/(P)/EntL1440340X/ |