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surfactant noun

  /səɹˈfæktənt/
  • (chemistry) A surface-active agent, or wetting agent, capable of reducing the surface tension of a liquid; typically organic compounds having a hydrophilic “head” and a hydrophobic “tail”.
 surfaktantti, tensidi, [[pinta-aktiivinen]] aine
  • (biochemistry) A lipoprotein in the tissues of the lung that reduces surface tension and permits more efficient gas transport.
 surfaktantti
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