lactic

adjective

lac·​tic ˈlak-tik How to pronounce lactic (audio)
1
a
: of or relating to milk
b
: obtained from sour milk or whey
2
: involving the production of lactic acid

Examples of lactic in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Powered by a blend of natural-biocompatible ingredients (think: botanical extracts, oils, and butters), plus lactic and azelaic acid to lift away makeup, sunscreen, and dirt whilst gently exfoliating, brightening, and even tone. Kiana Murden, Vogue, 19 Dec. 2024 The pads are loaded with glycolic, lactic, and salicylic acids to minimize pore blockage, brightening skin all the while. Deanna Pai, Allure, 13 Dec. 2024 The formula also features alpha hydroxy acids—lactic and glycolic acids—and squalane and niacinamide to hydrate and calm the skin. Deanna Pai, Allure, 13 Dec. 2024 The mixture thickens as the lactose in the milk ferments into lactic acid.2 Due to its acidity, plain yogurt has a slightly tangy flavor. Chelsea Rae Bourgeois, Rdn, Health, 29 Oct. 2024 See all Example Sentences for lactic 

Word History

First Known Use

1790, in the meaning defined at sense 1a

Time Traveler
The first known use of lactic was in 1790

Dictionary Entries Near lactic

Cite this Entry

“Lactic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lactic. Accessed 30 Dec. 2024.

Medical Definition

lactic

adjective
lac·​tic ˈlak-tik How to pronounce lactic (audio)
1
a
: of or relating to milk
b
: obtained from sour milk or whey
2
: involving the production of lactic acid
lactic fermentation

More from Merriam-Webster on lactic

Last Updated: - Updated example sentences
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