sunblock

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noun sun·block \-ˌbläk\

Definition of sunblock

  1. :  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

1955

First Known Use of sunblock

1955


SUNBLOCK Defined for English Language Learners

sunblock

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noun sun·block \-ˌbläk\

Definition of sunblock for English Language Learners

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


SUNBLOCK Defined for Kids

sunblock

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noun sun·block \ˈsən-ˌbläk\

Definition of sunblock for Students

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


Medical Dictionary

sunblock

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noun sun·block \ˈsən-ˌbläk\

Medical Definition of sunblock

  1. :  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



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