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
Dictionary.com 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.Fresh Picks
April 6, 2010