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
The Bom Dia Bright Clarifying AHA BHA Body Wash is packed with lactic and salicylic acids to gently exfoliate dull or acne-prone skin, while glycerin and papaya extract keep skin soft, smooth, and hydrated.
—
Christa Joanna Lee, Allure, 20 July 2025
Step one is soaked in five exfoliating acids (including glycolic, lactic, and salicylic) to sweep away dead skin, smooth texture, and clear out pores.
—Christa Joanna Lee, Allure, 3 July 2025
It gets blended, strained, and combined with Boatyard vodka for a martini that’s silky, floral, and slightly lactic.
—Sam Stone, Bon Appetit Magazine, 6 June 2025
Instead of physical exfoliants, Dr. Shirazi explains the formula leans on natural enzymes from fruit, plus a blend of AHAs like glycolic, lactic, and mandelic acids.
—Conçetta Ciarlo, Vogue, 4 June 2025
See All Example Sentences for lactic
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Christa Joanna Lee, Allure, 20 July 2025
Step one is soaked in five exfoliating acids (including glycolic, lactic, and salicylic) to sweep away dead skin, smooth texture, and clear out pores.
—Christa Joanna Lee, Allure, 3 July 2025
It gets blended, strained, and combined with Boatyard vodka for a martini that’s silky, floral, and slightly lactic.
—Sam Stone, Bon Appetit Magazine, 6 June 2025
Instead of physical exfoliants, Dr. Shirazi explains the formula leans on natural enzymes from fruit, plus a blend of AHAs like glycolic, lactic, and mandelic acids.
—Conçetta Ciarlo, Vogue, 4 June 2025
See All Example Sentences for lactic
Cite this Entry
“Lactic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lactic. Accessed 29 Jul. 2025.
Copy CitationMedical Definition
lactic
adjective
lac·tic
ˈlak-tik 
1
a
: of or relating to milk
b
: obtained from sour milk or whey
2
: involving the production of lactic acid
lactic fermentation
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