powdery
131rust — /rust/, n. 1. Also called iron rust. the red or orange coating that forms on the surface of iron when exposed to air and moisture, consisting chiefly of ferric hydroxide and ferric oxide formed by oxidation. 2. any film or coating on metal caused …
132glaucous — adjective /ˈɡlɔː.kəs,ˈɡlɑ.kəs,ˈɡlɔ.kəs/ a) Of a pale green colour with a bluish grey tinge, especially when covered with a powdery residue. b) Covered with a bloom or a pale powdery covering, regardless of colour. See Also: glaucoma, glauconite …
