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.
An investigation by the Australian Broadcasting Corporation also alleged issues with a leading laboratory which test sunscreen efficacy and a manufacturer which made a common base formula.
From BBC • Mar. 26, 2026
Between packing passports and sunscreen, he has been checking the State Department travel advisory pages often, which lists Morocco as a level 2 risk — exercise caution.
From MarketWatch • Mar. 11, 2026
Patients experience severe pain, burning and blistering when they spend even a few minutes in the sun, even with sunscreen.
From The Wall Street Journal • Feb. 24, 2026
"Using sunscreen to protect against UV damage, regular use of a topical retinol/retinoid, and avoiding smoking can all help preserve collagen and prevent its breakdown."
From Science Daily • Jan. 29, 2026
And somehow she'd gotten sunburned on her back, even though Mrs. Moriarty had smeared her all over with thick, goopy sunscreen twice.
From "The Lemonade War" by Jacqueline Davies
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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.