sunblock

or sun block

[ suhn-blok ]

/ ˈsʌnˌblɒk /

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noun

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.

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Origin of sunblock

First recorded in 1975–80; sun + block

Words nearby sunblock

Sunbelt, sunberry, sunbird, sun bittern, sun blind, sunblock, sunbonnet, sunbow, sunbreak, sunburn, sunburst

How to use sunblock in a sentence

If you’re ready to try it out for yourself, put on some sunblock and give trees a chance.
Boost your health with a little nature therapy|Alisha McDarris|November 28, 2021|Popular-Science
Oh, and even if you have dark skin, you should still be using sunblock.
The Wonderful World of Wellness|Eromo Egbejule|September 27, 2021|Ozy
This means applying the correct amount of sunblock—it’s more than you think—and reapplying every two to three hours.
7 things you can do to actually prevent wrinkles|Sandra Gutierrez|July 13, 2021|Popular-Science
Fortunately, there are skin-care options to help combat sun and water exposure that go beyond chalky mineral sunblock, dehydrating natural soap, and products that leave toxic deposits in our waterways.
A River Rat’s Guide to Skin Care|Heather Hansman|June 25, 2021|Outside Online

I remember going to the doctor and they told me I needed to start wearing sunblock, and even then, my parents treated it like it was not a big deal.
Why Are Sunscreen Ads Ignoring, and Failing, People of Color?|Kristopher Fraser|May 28, 2021|The Daily Beast
I, for one, will be sticking with high-strength sunblock and a giant umbrella.
Is the Facekini the Future of Beachwear?|Justin Jones|August 23, 2014|DAILY BEAST
If ever you need a reminder to bring sunblock with you, this is it.
Muppet Beastie Boys, Robin Williams Tribute, and More Viral Videos|The Daily Beast Video|August 17, 2014|DAILY BEAST
Grab some sangria and sunblock and head to Spain, where a relaxing getaway with an exciting culinary scene is calling your name.
Fresh Picks|Joey Campanaro|April 6, 2010|DAILY BEAST

Medical definitions for sunblock

sun block

[ sŭn ]

A preparation, as of PABA, that prevents sunburn by filtering out the sun's ultraviolet rays, usually offering more protection than a sunscreen.