lactic acid
noun
: a hygroscopic organic acid C3H6O3 present normally especially in muscle tissue as a by-product of anaerobic glycolysis, produced in carbohydrate matter usually by bacterial fermentation, and used especially in food and medicine and in industry
Examples of lactic acid in a Sentence
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Additionally, this hyaluronic acid serum also includes lactic acid, which helps reduce acne breakouts and reduce the appearance of blemishes for an overall smoother complexion.
—
Jessie Quinn, People.com, 1 Nov. 2024
Designed for daytime and nighttime use, the formulation also has lactic acid—the exfoliating alpha-hydroxy acid increases the cream’s absorption, bolsters the antioxidant properties of vitamin C, and unclogs the pores.
—Jenny Berg, Vogue, 31 Oct. 2024
Those acids include gentle alpha-hydroxy lactic acid as well as gluconolactone, a polyhydroxy acid that mildly resurfaces as well as helps to hydrate the skin.
—Emily Orofino, Allure, 29 Oct. 2024
The lactic acid bacteria found in buttermilk are largely responsible for buttermilk's distinctive flavor.
—Liv Dansky, Southern Living, 13 Oct. 2024
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Jessie Quinn, People.com, 1 Nov. 2024
Designed for daytime and nighttime use, the formulation also has lactic acid—the exfoliating alpha-hydroxy acid increases the cream’s absorption, bolsters the antioxidant properties of vitamin C, and unclogs the pores.
—Jenny Berg, Vogue, 31 Oct. 2024
Those acids include gentle alpha-hydroxy lactic acid as well as gluconolactone, a polyhydroxy acid that mildly resurfaces as well as helps to hydrate the skin.
—Emily Orofino, Allure, 29 Oct. 2024
The lactic acid bacteria found in buttermilk are largely responsible for buttermilk's distinctive flavor.
—Liv Dansky, Southern Living, 13 Oct. 2024
See all Example Sentences for lactic acid
Dictionary Entries Near lactic acid
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“Lactic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lactic%20acid. Accessed 23 Nov. 2024.
Copy CitationMedical Definition
lactic acid
noun
: a hygroscopic organic acid C3H6O3 that is known in three optically isomeric forms:
a
or D-lactic acid
: the dextrorotatory form present normally in blood and muscle tissue as a product of the anaerobic metabolism of glucose and glycogen
b
or L-lactic acid
: the levorotatory form obtained by biological fermentation of sucrose
c
or DL-lactic acid
: the racemic form present in food products and made usually by bacterial fermentation (as of whey or raw sugar) but also synthetically, and used chiefly in foods and beverages, in medicine, in tanning and dyeing, and in making esters for use as solvents and plasticizers
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