(of a substance, esp a detergent) capable of lowering the surface tension of a liquid, usually waterSee also surfactant
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Medicine definitions for surface-active
Of, relating to, or being a substance capable of reducing the surface tension of a liquid in which it is dissolved. Used especially of detergents.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.