Definition of surfactant in English:

surfactant

Syllabification: sur·fac·tant
Pronunciation: /sərˈfaktənt
 
/

noun

A substance that tends to reduce the surface tension of a liquid in which it is dissolved.
More 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.

Origin

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

Definition of surfactant in:

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