Tartar

Tartar, a mixture of bitartrate of potash and tartrate of lime, is a deposit formed from wine, and known in its crude form as Argol (q.v.). The name, given by the alchemists, is usually referred to Gr. tartaros; but some derive it from Arab. durd, ‘dregs.’ For Cream of Tartar, &c., see TARTARIC ACID. For tartar on the teeth, see DENTISTRY; for tartar emetic, ANTIMONY.