Definition of surfactant in English:

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Pronunciation: /səˈfakt(ə)nt/


A substance which tends to reduce the surface tension of a liquid in which it is dissolved.
Example sentences
  • The primary conditioning ingredients are cationic surfactants, silicones, and polymers.
  • Silicone surfactants, and amine and tin catalysts, are also used.
  • Research on surfactants and membrane solubilization showed that anionic surfactants interact more with lipid bilayers.


1950s: from surf(ace)-act(ive) + -ant.

For editors and proofreaders

Line breaks: sur|fac¦tant

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