tartaric acid

noun

, Chemistry.

1. an organic compound, C 4 H 6 O 6 , existing in four isomeric forms, the common or dextrorotatory isomer being a white, crystalline, water-soluble powder or transparent crystals: used in effervescent beverages, baking powders, confections, photography, and tanning.

tartaric acid

noun

1. a colourless or white odourless crystalline water-soluble dicarboxylic acid existing in four stereoisomeric forms, the commonest being the dextrorotatory ( d- ) compound which is found in many fruits: used as a food additive ( E334 ) in soft drinks, confectionery, and baking powders and in tanning and photography. Formula: HOOCCH(OH)CH(OH)COOH Systematic name2,3-dihydroxybutanedioic acid

tartaric acid

/ tär-tăr′ĭk /

1. A crystalline organic acid that exists in three isomeric forms and occurs widely in plants. It is found in byproducts of wine fermentation and has a wide variety of uses, including to make cream of tartar and baking powder, to add effervescence to beverages, to polish metal, in printing and dyeing, and to make photographic chemicals. Chemical formula: C 4 H 6 O 6 .

Word History and Origins

Origin of tartaric acid¹

First recorded in 1800–10

Example Sentences

The greater portion of the copper, however, is present as part of the complex negative ion of cupric-tartaric acid and its salts.

From Project Gutenberg

Take four ounces of powdered tartaric acid, and two drachms of essential oil of lemon.

From Project Gutenberg

Heat gently, and a silver mirror will form if tartaric acid is present.

From Project Gutenberg

A rose-red color forms if tartaric acid or tartrates are present.

From Project Gutenberg

A precipitate will form if tartaric acid is present and it will dissolve in an excess of ammonium chlorid or acetic acid.

From Project Gutenberg