wetting agent

wetting agent

noun Chemistry.
any admixture to a liquid for increasing its ability to penetrate, or spread over the surface of, a given material, especially cloth, paper, or leather.

Origin:
1935–40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Wetting agent is always a great word to know.
So is glacial. Does it mean:
a colorless, flammable gas, C4H10, a saturated aliphatic existing in two isometric forms: used chiefly in the manufacture of rubber and as fuel
of, pertaining to, or tending to develop into icelike crystals: glacial phosphoric acid
Collins
World English Dictionary
wetting agent
 
n
chem any substance added to a liquid to lower its surface tension and thus increase its ability to spread across or penetrate into a solid

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Encyclopedia Britannica
Encyclopedia

wetting agent

chemical substance that increases the spreading and penetrating properties of a liquid by lowering its surface tension-that is, the tendency of its molecules to adhere to each other. See detergent; surface-active agent

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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