tartaric acid

American  

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.

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tartaric acid British  

noun

1. Systematic name: 2,3-dihydroxybutanedioic acid.  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

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tartaric acid Scientific  

/ 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 .

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Etymology

Origin of tartaric acid

First recorded in 1800–10

Example Sentences

If eaten, the tartaric acid in grapes or raisins may cause acute kidney disease.

From Salon • Dec. 18, 2022

These techniques include adding tartaric acid, not to make up for a deficiency but because the founders of Heitz believed that acidity rather than tannins was the key to long aging.

From New York Times • Dec. 5, 2019

William Astbury, J. D. Bernal and Kathleen Lonsdale worked at the Royal Institution in London under physicist and Nobel laureate William Henry Bragg, studying small molecules such as tartaric acid.

From Nature • Apr. 15, 2019

“The tartaric acid establishes grapes,” said Andrew Waterhouse, who studies the chemistry of wine at the University of California at Davis and was not a participant in this research.

From Washington Post • Nov. 13, 2017

It is important to prepare the solution as directed, for by adding the ferric chloride before tartaric acid, the gum arabic would be at once coagulated.

From Photographic Reproduction Processes by Duchochois, Peter C.