前ぜん臼きゅう歯しMeaningsNoun1. premolarKanji used前in front of臼mortar (a hollow cup)歯toothPitch accentぜんきゅうしComposed of前ぜんlast (i.e. immediately preceding); previous; ex-; former; pre- (e.g. premodern); beforePrefix臼きゅう歯しmolar (tooth); grinder; premolarNoun