sunblock
Americannoun
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a substance that provides a high degree of protection against sunburn, often preventing most tanning as well as burning, as by obstructing the penetration of ultraviolet rays.
-
a lotion, cream, etc., containing such a substance.
Other Word Forms
Noun Inflected Forms
Etymology
Origin of sunblock
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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Products passing through the giant site range from insulin capsules and lifestyle drugs to medicated sunblock and drums of sulphuric acid.
From Barron's ● Apr. 5, 2026
Jasso offered me water, sunblock, a hat and an orange, but I declined.
From Los Angeles Times ● Oct. 16, 2024
Darker skin tones, prevalent in equatorial regions, serve as nature's very own sunblock, evolving over millennia to shield these populations from the sun's intense ultraviolet radiation.
From Science Daily ● Jan. 12, 2024
The money he earns from begging is rarely enough to cover his meals and rent, let alone the sunblock and glasses he needs to protect his sensitive skin and eyes.
From BBC ● Sep. 4, 2023
I snorted as he picked out a small tube of sunblock from a rack.
From "Insignificant Events in the Life of a Cactus" by Dusti Bowling
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Hawaii’s ban leaves producers with two options: continue offering chemical sunscreens without oxybenzone and octinoxate or switch over to natural, mineral-based sunblocks.
From Slate ● May 7, 2018
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.