Definition of surfactant noun from the Oxford Advanced American Dictionary

     

    surfactant

     noun
    noun
    NAmE//sərˈfæktənt//
     
    [countable, uncountable]
     
    jump to other results
  1. 1(technology) a substance that reduces the surface tension of a liquid, often forming bubbles in the liquid
  2. 2(medical) a substance that keeps the lungs working well to prevent breathing problems
See the Oxford Advanced Learner's Dictionary entry: surfactant