Meaning of wetting agent

wet'ting a"gent

Pronunciation: [key]
— Chem. Chem.
  1. any admixture to a liquid for increasing its ability to penetrate, or spread over the surface of, a given material, esp. cloth, paper, or leather.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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