sunblock

[suhn-blok]
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.
Also, sun block.


Origin:
1975–80; sun + block

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
sunblock

noun
a cream spread on the skin; contains a chemical (as PABA) to filter out ultraviolet light and so protect from sunburn [syn: sunscreen
WordNet® 3.0, © 2006 by Princeton University.
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Example sentences
Vacationers close by are talking about moisturizer and sunblock.
Never leave home without antibacterial wipes, sunblock, and flip-flops.
Snow normally acts as a protective sunblock for mountain glaciers.
Beach weekends are here, so the quest for the perfect sunblock has resumed.
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