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.
Dr Laftah adds: "Teens are increasingly adopting adult-style routines with numerous serums, toners, masks and actives. These actives are likely to result in skin barrier compromise and lead to more skin issues."
From BBC ● Sep. 21, 2026
Young shoppers enamored with the “glass skin” look are snapping up serums, peels, gels and mists.
From The Wall Street Journal ● May 28, 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
This must be where Jeanine develops the simulation serums.
From "Insurgent" by Veronica Roth
