Definition of surface-active in English:


Syllabification: sur·face-ac·tive


  • (Of a substance, such as a detergent) tending to reduce the surface tension of a liquid in which it is dissolved.
    More example sentences
    • This will then allow observing directly the structure-function relationship of pulmonary surfactant and any other surface-active substance.
    • An important case of adsorption on liquid surfaces is that of surface-active or surfactant molecules at the water-air or water-oil interface.
    • The method might also prove highly valuable for the investigation of surface-active substances other than pulmonary surfactant.

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Word of the day coloratura
Pronunciation: ˌkələrəˈto͝orə
elaborate ornamentation of a vocal melody