dentifrice n a substance for cleaning the teeth; applied with a toothbrush Usage(s) But who does not use a "dentifrice" instead? Every flavor from salt through iodine to peppermint is at the dentifrice consumer's disposal. Would a nontoxic dentifrice be asking too much? On the 8,000-mile journey between Wuxi and Homestead, Goldcredit's products move, in effect, through time. The girls marched past progressively tougher words, from heroine, blossom and dentifrice to operose, miscible and quadrumanous.