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- Dictionarysurfactant/səːˈfakt(ə)nt/
noun
- 1. a substance which tends to reduce the surface tension of a liquid in which it is dissolved.
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noun
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Surfactants are chemical compounds that decrease the surface tension or interfacial tension between two liquids, a liquid and a gas, or a liquid and a solid. The word "surfactant" is a blend of surface-active agent, coined in 1950. As they consist of a water-repellent and a water-attracting part, they enable water and oil to mix; they can form foam and facilitate the detachment of dirt. Wikipedia