sunscreen
Americannoun
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a substance formulated to prevent sunburn, skin cancers, and other conditions caused by excessive exposure to the sun, usually by absorbing and reflecting ultraviolet radiation.
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a lotion, cream, etc., containing such a substance.
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a latticework or similar construction to shield a patio, atrium, or the like, from direct sunlight.
noun
Etymology
Origin of sunscreen
Vocabulary lists containing sunscreen
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.
Social media posts wrongly claiming that sunscreen causes cancer have been spreading widely online.
From BBC ● Jul. 25, 2026
Most zinc oxide used in sunscreen consists of very small, roughly spherical nanoparticles produced through chemical manufacturing methods.
From Science Daily ● Jul. 20, 2026
"Instead of a summer lull, the meeting promises one last clash between the hawks and doves before anyone reaches for the sunscreen," said Brzeski.
From Barron's ● Jul. 20, 2026
The sunscreen technology will require additional testing before it can become commercially available.
From Science Daily ● Jul. 20, 2026
I have my own towel and bathing suit plus two tubes of sunscreen, an extra pair of flip-flops, and an inflatable crocodile.
From "South of Somewhere" by Kalena Miller
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
