The Collaborative International Dictionary
Nigrescent
Nigrescent \Ni*gres"cent\, a. [L. nigrescens, p. pr. of
nigrescere to grow black, fr. niger black. See Negro.]
Growing black; changing to a black color; approaching to
blackness.
--Johnson.
Wiktionary
nigrescent
a. Growing or becoming black; approaching blackness; blackish.
Usage examples of "nigrescent".
I cut them and carried them to Thecla, nigrescent purple flecked with scarlet.