BLUE a.
Blue ruin, utter ruin; also, gin. [Eng. Slang] Carlyle. -- Blue spar (Min.), azure spar; lazulite. See Lazulite. -- Blue thrush (Zoöl.), a European and Asiatic thrush (Petrocossyphus cyaneas). -- Blue verditer. See Verditer. -- Blue vitriol (Chem.), sulphate of copper, a violet blue crystallized salt, used in elect…