Dictionary

surfactant

surfactant

noun sur·fac·tant \(ˌ)sər-ˈfak-tənt, ˈsər-ˌ\

Definition of SURFACTANT

:  a surface-active substance (as a detergent)
surfactant adjective

Origin of SURFACTANT

surface-active + -ant
First Known Use: 1950

Rhymes with SURFACTANT

surfactant

noun sur·fac·tant \(ˌ)sər-ˈfak-tənt, ˈsər-ˌ\   (Medical Dictionary)

Medical Definition of SURFACTANT

:  a surface-active substance; specifically :  a surface-active lipoprotein mixture which coats the alveoli and which prevents collapse of the lungs by reducing the surface tension of pulmonary fluids
surfactant adjective

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