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wetting agent

noun

, Chemistry.
  1. 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.


wetting agent

noun

  1. 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


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Word History and Origins

Origin of wetting agent1

First recorded in 1935–40

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petrichor

[pet-ri-kawr]

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