Similar words: surface, surfaced, resurface, subsurface, surface area, hypersurface, surface mail, surface mine. Meaning: ['sɜr'fæktənt /'sɜː-] 
n. a substance capable of reducing the surface tension of a liquid in which it is dissolved.
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More similar words: surface, surfaced, resurface, subsurface, surface area, hypersurface, surface mail, surface mine, surface wave, on the surface, surface water, surface level, surface tension, scratch the surface of, surface-to-air missile, reactant, attractant, counterfactual, reactance, expectant, reluctant, reluctantly, expectantly, disinfectant, surf, surfer, in actual fact, surfing, surfeit, interface.