triphenylmethane dye

noun Chemistry.
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.

1930–35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

triphenylmethane dye tri·phen·yl·meth·ane dye (trī-fěn'əl-měth'ān', -fē'nəl-)
Any of a group of dyes used as nuclear, cytoplasmic, and connective tissue stains.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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