Meaning of TRIARYLMETHANE DYE in English

(ˈ) ̷ ̷| ̷ ̷ ̷ ̷| ̷ ̷ˌ ̷ ̷- noun

Etymology: triaryl + methane

: any of a class of basic, acid, mordant acid, and direct dyes derived from triphenylmethane or diphenyl-naphthyl-methane usually by introduction of one or more auxochromic groups (as amino, methylamino, dimethylamino, or hydroxyl groups) and characterized in general by brilliance but not by fastness — see triphenylmethane dye

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.