aniline dye

aniline dye

noun Chemistry.
any of a large number of synthetic dyes derived from aniline, usually obtained from coal tar.

Origin:
1860–65
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Aniline dye is always a great word to know.
So is alcohol. Does it mean:
a colorless, toxic, water-soluble gas having a suffocating odor, used chiefly as a disinfectant and preservative, contained in resins and plastics
any of a class of chemical compounds having the general formula ROH, where R represents an alkyl group and ?OH a hydroxyl group
Collins
World English Dictionary
aniline dye
 
n
any synthetic dye originally made from raw materials, such as aniline, obtained from coal tar

Collins English Dictionary - Complete & Unabridged 10th Edition
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