臼きゅう歯しalso: うすばきゅうしFreq.FrequencyTop 50,000じ字FuriganaAudioMeanings1nounmolar; grinder; premolarRefers to the back teeth used for grinding food. In everyday conversation, 奥歯 (おくば) is more common; 臼歯 is a technical or anatomical term.臼きゅう歯しは食たべ物ものをすりつぶす役やく割わりをしている。Break this sentence down in the analyzerThe molars play the role of grinding food.歯し科か医いが臼きゅう歯しの虫むし歯ばを治ち療りょうした。Break this sentence down in the analyzerThe dentist treated a cavity in a molar.See all 7 example sentences ›