nigrescent(redirected from nigrescences)
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1. The process of becoming black or dark.
2. Blackness or darkness, as of complexion.
[From nigrescent, blackish, from Latin nigrēscēns, nigrēscent-, present participle of nigrēscere, to become black, from niger, nigr-, black; see nekw-t- in Indo-European roots.]
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.
[C18: from Latin nigrescere to grow black, from niger black; see Negro1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
tending toward black; blackish.
[1745–55; < Latin nigrēscent-, s. of nigrēscēns, present participle of nigrēscere to turn black]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.