sunblock

noun
sun·​block | \ ˈsən-ˌbläk How to pronounce sunblock (audio) \

Definition of sunblock

: a preparation (such as a lotion) applied to the skin to prevent sunburn (as by physically blocking out ultraviolet radiation) also : its active ingredient (such as titanium dioxide) — compare sunscreen

Examples of sunblock in a Sentence

Recent Examples on the Web The organization creates offshore coral nurseries to regrow and supplement the coral reef that’s been severely impacted by industry, sunblock and everything in between. Margaux Lushing, Forbes, 29 Oct. 2021 Once the liquid evaporates, the chalky residue acts as sunblock for their legs and feet. David Treuer, Harper's Magazine, 26 Oct. 2021 When Arizona Republicans marched against him in protest, the late senator breezily urged them to not forget their sunblock. Los Angeles Times, 4 Oct. 2021 Buy a broad-spectrum sunblock that protects your skin from UVA and UVB rays. Maressa Brown, SELF, 31 Aug. 2021 Brian Goldman said his father is known for his marketing prowess, and used the bug’s acclaim to make the first ALS Ice Bucket Challenge video, caked in sunblock and laid out in a rooftop lounge chair. BostonGlobe.com, 14 July 2021 Property tax bills, sunblock, daylight saving time just don’t make the cut. BostonGlobe.com, 31 Jan. 2020 Get some precious vitamin D; just add sunblock and a hat. Ingrid Frahm, Harper's BAZAAR, 16 June 2021 Other precautions the Burn Center advises include wearing sturdy shoes with thick, protective soles whenever walking outside, never leaving your child or pet in a car, using hats and sunblock and reapplying after swimming or after sweating. Olivia Munson, The Arizona Republic, 10 June 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sunblock.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sunblock

1953, in the meaning defined above

Buying Guide

Our team at The Usage has selected the best sunscreen of 2021.

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Time Traveler for sunblock

Time Traveler

The first known use of sunblock was in 1953

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Dictionary Entries Near sunblock

sunblink

sunblock

sun blotch

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Statistics for sunblock

Last Updated

13 Nov 2021

Cite this Entry

“Sunblock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sunblock. Accessed 8 Dec. 2021.

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More Definitions for sunblock

sunblock

noun

English Language Learners Definition of sunblock

: a lotion that you put on your skin to prevent sunburn by completely blocking out the sun's rays

sunblock

noun
sun·​block | \ ˈsən-ˌbläk How to pronounce sunblock (audio) \

Kids Definition of sunblock

: a preparation applied to the skin to prevent sunburn usually by blocking the sun's ultraviolet radiation

sunblock

noun
sun·​block | \ ˈsən-ˌbläk How to pronounce sunblock (audio) \

Medical Definition of sunblock

: a preparation (as a lotion) applied to the skin to prevent sunburn (as by physically blocking out ultraviolet radiation) also : its active ingredient (as titanium dioxide) — compare sunscreen

More from Merriam-Webster on sunblock

Nglish: Translation of sunblock for Spanish Speakers

Britannica.com: Encyclopedia article about sunblock

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