See under verditer.
either of two pigments, consisting usually of carbonate of copper prepared by grinding either azurite (blue verditer) or malachite (green verditer)
a salt, copper sulfate, CuSO 4 ⋅5H 2 O, occurring naturally as large transparent, deep-blue triclinic crystals, appearing in its anhydrous state as a white powder: used chiefly as a mordant, insecticide, fungicide, and in engraving. noun the fully hydrated blue crystalline form of copper sulphate blue vitriol A blue, crystalline compound of copper sulfate. […]
blue pike. a variety of the walleye, Strizostedion vitreum glaucum, inhabiting the Great Lakes.
designed to operate on and range over the open sea; oceangoing: a bluewater navy that can be dispatched throughout the world, far from its home base. Historical Examples Thrice Armed Harold Bindloss
See under wavey. a wild North American goose of the genus Chen, as the snow goose (white wavey) or blue goose (blue wavey) noun (Canadian) a snow goose or other wild goose Also called wawa