释义 |
triarylmethane dye \(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 |