or sun block



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.

Origin of sunblock

First recorded in 1975–80; sun + block Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sunblock

Contemporary Examples of sunblock

  • Grab some sangria and sunblock and head to Spain, where a relaxing getaway with an exciting culinary scene is calling your name.

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    Fresh Picks

    Joey Campanaro

    April 6, 2010