a disease of birds resembling Bright’s disease in humans affecting especially domestic fowl, characterized by fever, sunken eyes, and shriveling of the skin of the wattles, shanks, and comb.
blue vitriol. 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 […]
any coral of the genus Heliopora, having brown polyps and a blue skeleton, found in the Indo-Pacific region.
an edible crab, Callinectes sapidus, having a dark green body and bluish legs, found along the Atlantic and Gulf coasts of North America.
the great blue heron.