单词	surface-active
释义	surface-active adjective sur·​face-active ˈsər-fəs-ˌak-tiv  : altering the properties and especially lowering the tension at the surface of contact between phases soaps and wetting agents are typical surface-active substances Word History First Known Use 1920, in the meaning defined above Medical Definition surface-active adjective : altering the properties and especially lowering the tension at the surface of contact between phases soaps and wetting agents are typical surface-active substances
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