favillous

CIDE DICTIONARY

favillous, a. [L. favilla sparkling or glowing ashes.].

 Of or pertaining to ashes.  [1913 Webster]
"Light and favillous particles."  [1913 Webster]

ROGET THESAURUS

favillous

Gray

N gray, neutral tint, silver, pepper and salt, chiaroscuro, grisaille, Payne's gray, black, gray, grey, iron-gray, dun, drab, dingy, leaden, livid, somber, sad, pearly, russet, roan, calcareous, limy, favillous, silver, silvery, silvered, ashen, ashy, cinereous, cineritious, grizzly, grizzled, slate-colored, stone-colored, mouse-colored, ash-colored, cool.