serum
noun
the clear, pale-yellow liquid that separates from the clot in the coagulation of blood; blood serum.
serums
-
pluralof serum.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
On social media, vacationers are showing off their “pharmacy hauls” from across the continent, extolling the virtues of E.U.-made creams and serums and turning drugstores into can’t-miss destinations.
From The Wall Street Journal ● Aug. 14, 2026
The investigation centres on "possible unfair commercial practices" linked to the premature use of adult cosmestics, including "encouraging the compulsive purchase of face masks, serums and anti-aging creams" to children under the age of 10.
From BBC ● Mar. 29, 2026
Afghanistan already produces a variety of serums including antibiotics, according to manufacturer Milli Shifa Pharmaceutical.
From Barron's ● Feb. 16, 2026
After noticing that many creators were promoting rosemary serums and rosemary-based products for better skin recovery, Pang and Rapp Reyes approached Leung to understand whether these claims had scientific merit.
From Science Daily ● Dec. 7, 2025
“So the Bureau gave us the serums, in the beginning,” Tris says.
From "Allegiant" by Veronica Roth
