whitener whiten • whiteness · · · Info · Definitions · Synonyms · Characters · · whitener · · Text Latin · · Script 8 · · Length Definitions · · · (noun) an agent that makes things white or colorless. Synonyms: bleaching agent, bleach, blanching agent. · · Noun Definition 1 Synonyms · · · bleaching agent · · Synonym 1 bleach · · Synonym 2 blanching agent · · Synonym 3 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077