surface-active Hear it!

surface-active definition

surface-active (-ak′tiv)

adjective

Chem. designating or of a substance, as a detergent or wetting agent, that lowers the surface tension of the solvent in which it is dissolved or the tension at the interface between two immiscible liquids

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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