小臼齿 xiǎojiùchǐ premolar Definitions Defs Origin Strokes Stroke Words Sentences Sents 小 xiǎo adjective small small; tiny; few; minor; in area, volume, quantity, or power, being less than average or less than the object of comparison; opposite of 大 dà臼齿 臼齒 jiùchǐ molar molar tooth; any of the flat teeth at the back of the mouth used for grinding food