Tartaric /(?)/

Tar·tar·ic

Tartaric

a.
  1. Of or pertaining to tartar; derived from, or resembling, tartar. (Chem.)

Phrases & Compounds
Tartaric acid
An acid widely diffused throughout the vegetable kingdom, as in grapes, mountain-ash berries, etc., and obtained from tartar as a white crystalline substance, C2H2(OH)2.(CO2H)2, having a strong pure acid taste. It is used in medicine, in dyeing, calico printing, photography, etc., and also as a substitute for lemon juice. Called also dextro-tartaric acid.