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Relating to the processes of dyeing or coloring.
[From Latin tīnctōrius, from tīnctus, past participle of tingere, to dye.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Art Terms) of or relating to colouring, staining, or dyeing
2. (Art Terms) imbuing with colour
[C17: from Latin tinctōrius, from tingere to tinge]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
tinc•to•ri•al(tɪŋkˈtɔr i əl, -ˈtoʊr-)
pertaining to coloring or dyeing.
[1645–55; < Latin tīnctōri(us) of or related to dyeing]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.