Definition of organic pigment
: an insoluble coloring matter consisting essentially of a dye that is itself insoluble or has been converted into an insoluble product
the expression “lakes and toners” has come to be used synonymously with organic pigments— E. R. Allen
—distinguished from mineral pigment
— see lake entry 4 sense 1b, toner sense a
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“Organic pigment.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/organic%20pigment. Accessed 22 Sep. 2021.
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