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
This light, serum-like formula is spiked with a 5% blend of mandelic, lactic, and polyhydroxy acids to gently exfoliate dead skin and pore-clogging oil.
—
Sarah Madaus, Allure, 4 Oct. 2024
What to Know About Foot Peels and Masks Ingredients: For exfoliation, look for alpha-hydroxy acids like lactic, glycolic, mandelic, citric, and malic acids.
—Daley Quinn Published, Health, 6 Sep. 2024
These include salicylic, lactic, glycolic, mandelic, lactobionic and malic acids.
—Bestreviews, The Mercury News, 13 Sep. 2024
Unlike many similar acids, like lactic and glycolic, tranexamic acid is safe for all skin types and can be used during pregnancy.
—Sarah Han, Allure, 10 Sep. 2024
See all Example Sentences for lactic 
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Sarah Madaus, Allure, 4 Oct. 2024
What to Know About Foot Peels and Masks Ingredients: For exfoliation, look for alpha-hydroxy acids like lactic, glycolic, mandelic, citric, and malic acids.
—Daley Quinn Published, Health, 6 Sep. 2024
These include salicylic, lactic, glycolic, mandelic, lactobionic and malic acids.
—Bestreviews, The Mercury News, 13 Sep. 2024
Unlike many similar acids, like lactic and glycolic, tranexamic acid is safe for all skin types and can be used during pregnancy.
—Sarah Han, Allure, 10 Sep. 2024
See all Example Sentences for lactic
Dictionary Entries Near lactic
Cite this Entry
“Lactic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lactic. Accessed 3 Dec. 2024.
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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