incanescent,a.rare.|ɪnkəˈnɛsənt| [f. L. incānēscent-em, pres.pple. of incānēscĕre to become white, f.in- (in-2) + cānēscĕre to become white, cānēre to be white.] = canescent. 1866Treas.Bot., Incanescent, having a hoary or grey aspect, because of the presence of hairs upon the surface.