sunblock
or sun block
[ suhn-blok ]
/ ˈsʌnˌblɒk /
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.
Words nearby sunblock
Medical definitions for sun block
sun block
[ sŭn ]
n.
A preparation, as of PABA, that prevents sunburn by filtering out the sun's ultraviolet rays, usually offering more protection than a sunscreen.