sunblock

noun

A chemical preparation, such as zinc oxide, that is applied to the skin to protect it from the ultraviolet rays of the sun.

noun

a cream, to be spread on the skin, containing organic compounds that absorb, and/or titanium dioxide that reflects the sun’s ultraviolet radiation

noun

a cream spread on the skin; contains a chemical (as PABA) to filter out ultraviolet light and so protect from sunburn