lac·​tic | \ ˈlak-tik How to pronounce lactic (audio) \

Definition of lactic

1a : 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 Unlike many acids of the likes of exfoliating lactic and glycolic, this one is safe for all skin types, complexions, and use during pregnancy. Devon Abelman, Allure, "Why Tranexamic Acid Is the New Secret to Fading Dark Spots," 14 Apr. 2021 The most popular types of exfoliating acids are alpha hydroxy acids, like lactic or glycolic acid, and beta hydroxy acids, like salicylic acid. Sydney Poe,, "How to get rid of under-the-skin pimples," 7 Apr. 2021 The resurfacing ingredients include glycolic, malic, tartaric and lactic acids, as well as hyaluronic acid for hydration. Celia Shatzman, Forbes, "New Skincare Line Ambari Delivers Results In One Night," 4 Mar. 2021 Gmyrek recommends these pads, which contain both glycolic and lactic acids as well as lemon peel, which has a brightening effect. Rebecca Deczynski,, "The Best Face Exfoliators for Soft, Glowing Skin, According to Dermatologists," 24 Feb. 2021 Each pad, which is ideal for normal, dry, and combination skin, is formulated with lactic and glycolic acids to gently exfoliate your face and reveal a brighter, smoother complexion. Jennifer Aldrich, Better Homes & Gardens, "Thousands of Reviewers Say These $18 Facial Pads Are Amazing for Brightening and Softening Skin," 24 Feb. 2021 The cult classic beauty product removes dead skin using alpha-hydroxy acids, like lactic and glycolic acids, the same star ingredients found in facial exfoliants, but at a much higher potency. Jenny Singer, Glamour, "This Baby Foot Peel Really Does Give You the Softest Feet of Your Life," 28 Dec. 2020 The mixture of glycolic, lactic, citric, and salicylic acids brightens skin in just one application. Julie Ricevuto, Allure, "The Science of Beauty: Acids for Skin Care Ingredient Guide," 19 Nov. 2020 Goat cheese has a more assertive flavor, and the ayib adds a nice lactic element to the dish without taking over. Washington Post, "Roasted carrots get a flavor boost from ayib and a spicy Ethiopian dressing," 9 Dec. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lactic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of lactic

1790, in the meaning defined at sense 1a

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Statistics for lactic

Last Updated

29 Apr 2021

Cite this Entry

“Lactic.” Dictionary, Merriam-Webster, Accessed 13 May. 2021.

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More Definitions for lactic


lac·​tic | \ ˈlak-tik How to pronounce lactic (audio) \

Medical Definition of lactic

1a : 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

Britannica English: Translation of lactic for Arabic Speakers

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