wetting agent wetting • wettish · · · Info · Definitions · Synonyms · Characters · · wetting agent · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved. Synonyms: wetting agent, wetter, surfactant, surface-active agent. · · Noun Definition 1 Synonyms · · · wetter · · Synonym 1 surfactant · · Synonym 2 surface-active agent · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E t latin small letter t U+0074 w latin small letter w U+0077