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Any substance that can become a pigment or coloring matter, a substance in organic fluids that forms colored compounds when oxidized, or a compound, not itself a dye, that can become a dye.
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that can be converted by chemical reaction into a compound which can be described as "coloured" (a
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the term has a rather different meaning. The following are found in various dictionaries.
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The
Synthetic Dyestuffs and the Intermediate Products from which They are Derived
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A strongly pigmented or pigment-generating organelle, organ, or microorganism.
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Any substance, itself without color, giving origin to a coloring matter.
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that, in combination with processing chemistry, form visible
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Chemical compound that can be converted into a dye or pigment
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A substance capable of conversion into a pigment or dye.
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284:Cain, John Cannell; Thorpe, Jocelyn Field (1905).
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241:Physico-chemical Aspects of Textile Coloration
165:Any of certain bacteria that produce a pigment
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129:refers to a colourless (or faintly coloured)
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159:A precursor of a biochemical pigment
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162:A pigment-producing microorganism
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238:Burkinshaw, Stephen M. (2016).
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55:"Chromogen"
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270:2020-11-05
260:1038053293
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328:Chemistry
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