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Definition of surfactant noun from the Oxford Advanced Learner's Dictionary

surfactant

noun
 
/sɜːˈfæktənt/
 
/sɜːrˈfæktənt/
[countable, uncountable]
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  1. (specialist) a substance that reduces the surface tension of a liquid, often forming bubbles in the liquid
  2. (medical) a substance that keeps the lungs working well to prevent breathing problems
    3. Word Origin1950s: from surf(ace)-act(ive) + -ant.
See surfactant in the Oxford Advanced American Dictionary
Check pronunciation: surfactant

Nearby words

trait
noun
 
 
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