triarylmethane dye

[trahy-ar-il-meth-eyn]

noun Chemistry.

any of the class of dyes containing three aryl groups attached to a central carbon atom: used chiefly for dyeing cotton, wool, and silk.

Origin of triarylmethane dye

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019