底ていTop 20000MeaningsNoun1. base (logarithmic, exponential, number system); radix2. base (triangle, cone, cylinder, etc.)3. type; kind; extent; degreeKanji used底bottomPitch accentていUsed in vocabulary骨こつ盤ばん底てい筋きんpelvic floor muscle; pubococcygeal muscle; Kegel muscleNoun眼がん窩か底ていorbital floor (thin bone floor of eye socket)Noun底てい生せい生せい物ぶつbenthic organism; sea-bottom fauna; benthosNoun海かい洋よう底ていocean floor; sea floor; seabedNoun脳のう底てい動どう脈みゃくbasilar arteryNoun脳のう底てい部ぶ異い常じょう血けっ管かん網もう症しょうabnormal cerebrovascular network in the cerebral basal regionNoun底てい生せい動どう物ぶつbenthic animal; benthonic animal; zoobenthosNoun足そく底てい反はん射しゃplantar reflexNoun骨こつ盤ばん底ていpelvic floorNoun