dentifrice

英 ['dentɪfrɪs] 美 ['dɛntə,frɪs]
  • n. 牙膏；牙粉
dentifrice
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英文词源

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).