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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.

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Of the successful claims, two of the men were cleared by DNA evidence, while blood serum evidence was used to prove innocence in the third.

From Salon Aug. 10, 2026

She hid her habit with lash extensions, but when beauty salons closed during Covid Daisy decided to create a serum to help her eyelashes grow back.

From BBC Jul. 20, 2026

Also, according to Weiss, testosterone injections can cause “aggressive behavior and mood swings, especially during peak serum levels.”

From Slate Jul. 16, 2026

In December, European-based Cosmo Pharmaceuticals reported results from a late-stage study of a serum that blocks the hormone driving hair loss directly at the scalp, without entering the bloodstream.

From The Wall Street Journal May 1, 2026

“It’s time to use the memory serum virus for a mass reset,” he says.

From "Allegiant" by Veronica Roth

The "Manana sera bonito" singer is the first Latina artist to headline the festival, which draws massive crowds over two consecutive weekends in Indio, California.

From Barron's Apr. 12, 2026

"Que sera, sera," quipped Postecoglou as he ended his victory news conference.

From BBC May 21, 2025

But the past tense of que sera sera is what used to be used to be, and growing up is getting to know it, accepting that lives move on.

From Los Angeles Times Jan. 25, 2023

Giffords’ response was “Sera, sera,” referencing the song “Que sera, sera” or “What will be, will be.”

From Seattle Times Jun. 23, 2022

“Oh, qu’elle y sera mal—peu comfortable! And her clothes, they will wear out: how can she get new ones?”

From "Jane Eyre" by Charlotte Brontë

The company sells beauty and wellness products such as facial serums, oils, masks and makeup.

From The Wall Street Journal Aug. 6, 2026

Soon I was using prescription shampoo, two topical serums, monthly steroid scalp injections, and a pricey red-light therapy cap that made me look like an alien.

From Slate May 23, 2026

Afghanistan already produces a variety of serums including antibiotics, according to manufacturer Milli Shifa Pharmaceutical.

From Barron's Feb. 16, 2026

Dr Bhate also looked at the ingredients lists for two serums with similar branding, one from a luxury skincare brand and one from a supermarket.

From BBC Dec. 13, 2025

“So the Bureau gave us the serums, in the beginning,” Tris says.

From "Allegiant" by Veronica Roth




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