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WordReference Random House Learner's Dictionary of American English © 2024ˈlac•tic ˈac•id, n. [uncountable]- Biochemistrya syrupy liquid produced by the fermentation of bacteria in carbohydrate matter.
WordReference Random House Unabridged Dictionary of American English © 2024lac′tic ac′id, [Biochem.]- Biochemistrya colorless or yellowish, syrupy, water-soluble liquid, C3H6O3, produced during muscle contraction as a product of anaerobic glucose metabolism, abundant in sour milk, prepared usually by fermentation of cornstarch, molasses, potatoes, etc., or synthesized: used chiefly in dyeing and textile printing, as a flavoring agent in food, and in medicine.
Collins Concise English Dictionary © HarperCollins Publishers:: lactic acid n - a colourless syrupy carboxylic acid found in sour milk and many fruits and used as a preservative (E270) for foodstuffs, such as soft margarine, and for making pharmaceuticals and adhesives. Formula: CH3CH(OH)COOH
Systematic name: 2-hydroxypropanoic acid
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