Dictionary
sunblock
noun sun·block \-ˌbläk\
: a lotion that you put on your skin to prevent sunburn by completely blocking out the sun's rays
Full Definition of SUNBLOCK
See sunblock defined for English-language learners
See sunblock defined for kids
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First Known Use of SUNBLOCK
1972
Rhymes with SUNBLOCK
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SUNBLOCK Defined for Kids
sunblock
noun sun·block \ˈsən-ˌbläk\
Definition of SUNBLOCK for Kids
: a preparation applied to the skin to prevent sunburn usually by blocking the sun's ultraviolet radiation
Medical Dictionary
sunblock
noun sun·block \ˈsən-ˌbläk\
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
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