surfactant noun - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of surfactant noun from the Oxford Advanced American Dictionary

surfactant

noun

NAmE//sərˈfæktənt//

[countable, uncountable]

1(technology) a substance that reduces the surface tension of a liquid, often forming bubbles in the liquid

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2(medical) a substance that keeps the lungs working well to prevent breathing problems

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