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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. 2015.
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triphenylmethane-dye in Medicine

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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Encyclopedia Article for triphenylmethane-dye

triphenylmethane dye

any member of a group of extremely brilliant and intensely coloured synthetic organic dyes having molecular structures based upon that of the hydrocarbon triphenylmethane. They have poor resistance to light and to chemical bleaches and are used chiefly in copying papers, in hectograph and printing inks, and in textile applications for which lightfastness is not an important requirement.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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