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Definitions

serum

[seer-uhm] / ˈsɪər əm /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Over 12 weeks, the fish oil groups had dose related increases in serum EPA and DHA.

From Science Daily • May 31, 2026

Pitt espouses a concept of simplicity in his men’s skincare routine — a three-step ritual starting with cleansing, serum to target signs of aging and then cream to lock in moisture.

From Los Angeles Times • Jan. 5, 2026

But for many people, trying to analyse the ingredients list on a bottle of moisturiser, cleanser or serum can be overwhelming.

From BBC • Dec. 13, 2025

After years of being mistakenly linked to high serum cholesterol, eggs were rolled out to the public as a “healthy” food by the FDA External link in December 2024 External link.

From Barron's • Dec. 11, 2025

I wouldn’t have been saving Evelyn by giving her that serum.

From "Allegiant" by Veronica Roth




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