glaucous
glau.cous \'glo.-k*s\ aj [L glaucus gleaming, gray, fr. Gk glaukos] 1a: of a pale yellow green color 1b: of a light bluish gray or bluish white color 2: having a powdery or waxy coating that gives a frosted appearance and te nds to rub off {~ fruits} - glau.cous.ness n