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colorant

[kuhl-er-uh nt]
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noun
  1. something used as a coloring matter; pigment; dye.

Origin of colorant

1880–85; < French, present participle of colorer < Latin colōrāre to color. See color, -ant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for colorant

colorant

noun
  1. any substance that imparts colour, such as a pigment, dye, or ink; colouring matter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012