Definition of tartar
1 : an incrustation on the teeth consisting of plaque that has become hardened by the deposition of mineral salts (such as calcium carbonate)
2 : a substance consisting essentially of cream of tartar that is derived from the juice of grapes and deposited in wine casks together with yeast and other suspended matters as a pale or dark reddish crust or sediment; especially : a recrystallized product yielding cream of tartar on further purification
tartar was our Word of the Day on 11/20/2012. Hear the podcast!
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Origin and Etymology of tartar
Middle English, from Anglo-French, from Medieval Latin tartarum
TARTAR Defined for Kids
Definition of tartar for Students
: a crust that forms on the teeth and consists of plaque that has become hardened by the deposit of calcium-containing salts
Medical Definition of tartar
: an incrustation on the teeth consisting of plaque that has become hardened by the deposition of mineral salts (as calcium carbonate)
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