Definition of tartaric acid in English:

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tartaric acid



A crystalline organic acid that is present especially in unripe grapes and is used in baking powders and as a food additive.
  • A dibasic acid; chemical formula: COOH(CHOH)2COOH.
Example sentences
  • Many carboxylic acids are present in the foods and drinks we ingest, like malic acid (found in apples), tartaric acid (grape juice), and oxalic acid (spinach and some parts of the rhubarb plant).
  • The calcium tartrate is neutralized by the addition of sulfuric acid to produce calcium sulfate and tartaric acid.
  • The mixture of fruit acids may include citric acid, glycollic acid, lactic acid, malic acid and tartaric acid.


Late 18th century: tartaric from obsolete French tartarique, from medieval Latin tartarum (see tartar).

For editors and proofreaders

Syllabification: tar·tar·ic ac·id

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