Meaning of triphenylmethane dye

triphen'ylmeth'ane dye'

Pronunciation: [key]
— Chem. Chem.
  1. any of a great number of dyes, as gentian violet, fuchsin, and rosaniline, produced from triphenylmethane by replacement of the ring hydrogen atoms with hydroxy, amino, sulfo, or other atoms or groups.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.