dentifrice是什麼意思 dentifrice的用法 dentifrice怎麼讀

dentifrice

英 ['dentɪfrɪs]美 ['dɛntə,frɪs]

n. 牙膏；牙粉

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英語詞源

dentifrice (n.)

early 15c., from Middle French dentifrice

(15c.), from Latin dentifricium "powder for rubbing the teeth," from dens (genitive dentis) "tooth" (see tooth) + fricare "to rub" (see friction).