Word Study
nigrescent
CIDE DICTIONARY
nigrescent, 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. [1913 Webster]
OXFORD DICTIONARY
nigrescent, adj. blackish.
Derivative
nigrescence n.
Etymology
L nigrescere grow black f. niger nigri black
ROGET THESAURUS
nigrescent
Blackness
VB be black, render black, blacken, infuscate, denigrate, blot, blotch, smutch, smirch, darken, black, sable, swarthy, somber, dark, inky, ebony, ebon, atramentous, jetty, coal-black, jet-black, fuliginous, pitchy, sooty, swart, dusky, dingy, murky, Ethiopic, low-toned, low in tone, of the deepest dye, black as jet, black as my hat, black as a shoe, black as a tinker's pot, black as November, black as thunder, black as midnight, nocturnal, nigrescent, gray, obscure.For further exploring for "nigrescent" in Webster Dictionary Online