Dictionary

sunscreen

noun sun·screen \-ˌskrēn\

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

Full Definition of SUNSCREEN

1
:  a screen to protect against sun
2
:  a preparation (as a lotion) applied to the skin to prevent sunburn (as by chemically absorbing ultraviolet radiation); also :  its active ingredient (as benzophenone) — compare sunblock
sun·screen·ing adjective

First Known Use of SUNSCREEN

1738

sunscreen

noun sun·screen \-ˌskrēn\   (Medical Dictionary)

Medical Definition of SUNSCREEN

:  a preparation (as a lotion) applied to the skin to prevent sunburn (as by chemically absorbing ultraviolet radiation); also :  its active ingredient (as benzophenone)—compare sunblock
sun·screen·ing adjective

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