A @S06194@ (or a mixture containing one or more surfactants) having cleaning properties in @D01739@ (soaps are surfactants and detergents).
Source: PAC, 1972, 31, 577. (Manual of Symbols and Terminology for Physicochemical Quantities and Units, Appendix II: Definitions, Terminology and Symbols in Colloid and Surface Chemistry) on page 612 [Terms] [Paper]