lactic acid

noun Biochemistry.

a 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.

Origin of lactic acid

First recorded in 1780–90

Words nearby lactic acid

lacteal, lacteous, lactescent, lacti-, lactic, lactic acid, lacticacidemia, lactiferous, lactiferous duct, lactiferous sinus, lactifuge

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for lactic acid

Consequently, when lactic-acid fermentation is once developed a comparatively large amount of HCl is required to arrest it.
On Digestive Proteolysis|R. H. Chittenden
Lactose6 is attacked by the lactic-acid bacteria and by them is changed to lactic acid.
The Book of Cheese|Charles Thom and Walter Warner Fisk
Under these conditions the lactic-acid type continues in the ascendancy as usual.
Outlines of Dairy Bacteriology, 8th edition|H. L. Russell
Where acid is developed as a result of the growth of the lactic-acid bacteria, the gas-producing species do not readily thrive.
Outlines of Dairy Bacteriology, 8th edition|H. L. Russell

Storch has described a lactic-acid form in a sample of tallowy butter that was able to produce this disagreeable odor.
Outlines of Dairy Bacteriology, 8th edition|H. L. Russell

British Dictionary definitions for lactic acid

lactic acid

noun

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: CH 3 CH(OH)COOHSystematic name: 2-hydroxypropanoic acid

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for lactic acid

lactic acid

n.

A syrupy, water-soluble liquid existing in three isomeric forms: one in muscle tissue and blood as a result of anaerobic glucose metabolism, a second in sour milk and wines, and a third used in foods, beverages, and pharmaceuticals.

Scientific definitions for lactic acid

lactic acid

[ lăk′tĭk ]

A syrupy, water-soluble organic acid produced when milk sours or certain fruits ferment. It is also produced in the body during the anaerobic metabolism of glucose, as in muscle tissue during exercise, where its buildup can cause cramping pains. A synthetic form of lactic acid is used as a flavoring and preservative, in dyeing and textile printing, and in pharmaceuticals. Chemical formula: C3H6O3.

单词	lactic acid
释义	lactic acid noun Biochemistry. a 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. Origin of lactic acid First recorded in 1780–90 Words nearby lactic acid lacteal, lacteous, lactescent, lacti-, lactic, lactic acid, lacticacidemia, lactiferous, lactiferous duct, lactiferous sinus, lactifuge Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for lactic acid Consequently, when lactic-acid fermentation is once developed a comparatively large amount of HCl is required to arrest it. On Digestive Proteolysis\|R. H. Chittenden Lactose6 is attacked by the lactic-acid bacteria and by them is changed to lactic acid. The Book of Cheese\|Charles Thom and Walter Warner Fisk Under these conditions the lactic-acid type continues in the ascendancy as usual. Outlines of Dairy Bacteriology, 8th edition\|H. L. Russell Where acid is developed as a result of the growth of the lactic-acid bacteria, the gas-producing species do not readily thrive. Outlines of Dairy Bacteriology, 8th edition\|H. L. Russell Storch has described a lactic-acid form in a sample of tallowy butter that was able to produce this disagreeable odor. Outlines of Dairy Bacteriology, 8th edition\|H. L. Russell British Dictionary definitions for lactic acid lactic acid noun 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: CH 3 CH(OH)COOHSystematic name: 2-hydroxypropanoic acid Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for lactic acid lactic acid n. A syrupy, water-soluble liquid existing in three isomeric forms: one in muscle tissue and blood as a result of anaerobic glucose metabolism, a second in sour milk and wines, and a third used in foods, beverages, and pharmaceuticals. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for lactic acid lactic acid [ lăk′tĭk ] A syrupy, water-soluble organic acid produced when milk sours or certain fruits ferment. It is also produced in the body during the anaerobic metabolism of glucose, as in muscle tissue during exercise, where its buildup can cause cramping pains. A synthetic form of lactic acid is used as a flavoring and preservative, in dyeing and textile printing, and in pharmaceuticals. Chemical formula: C3H6O3. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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