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Showing results for sunblock. Search instead for sun+blocker.

sunblock

American  
[suhn-blok] / ˈsʌnˌblɒk /
Or sun block

noun

  1. 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.

  2. a lotion, cream, etc., containing such a substance.


Etymology

Origin of sunblock

First recorded in 1975–80; sun + block

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Products passing through the giant site range from insulin capsules and lifestyle drugs to medicated sunblock and drums of sulphuric acid.

From Barron's • Apr. 5, 2026

Jasso offered me water, sunblock, a hat and an orange, but I declined.

From Los Angeles Times • Oct. 16, 2024

"You have to use sunblock, you have to cover your face and body, because it can be a bit dangerous if you get a sunburn or heat rash," said Solis.

From Salon • Sep. 3, 2024

Darker skin tones, prevalent in equatorial regions, serve as nature's very own sunblock, evolving over millennia to shield these populations from the sun's intense ultraviolet radiation.

From Science Daily • Jan. 12, 2024

Kendra wrapped the towel around her waist, picked up the sunblock Seth had left behind, and started toward the house.

From "Fablehaven" by Brandon Mull