"tartars" in the noun sense
1. cream of tartar, tartar, potassium bitartrate, potassium hydrogen tartrate
a salt used especially in baking powder
2. dragon, tartar
a fiercely vigilant and unpleasant woman
3. Tatar, Tartar, Mongol Tatar
a member of the Mongolian people of central Asia who invaded Russia in the 13th century
4. tartar, calculus, tophus
an incrustation that forms on the teeth and gums
Source: WordNet® (An amazing lexical database of English)
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