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Uroglaucin :: Uroglaucin (n.) A body identical with indigo blue, occasionally found in the urine in degeneration of the kidneys. It is readily formed by oxidation or decomposition of indican..

Troilus :: Troilus (n.) A large, handsome American butterfly (Euph/ades, / Papilio, troilus). It is black, with yellow marginal spots on the front wings, and blue spots on the rear wings..

Nonpareil :: Nonpareil (a.) A beautifully colored finch (Passerina ciris), native of the Southern United States. The male has the head and neck deep blue, rump and under parts bright red, back and wings golden green, and the tail bluish purple. Called also painted finch..

Indican :: Indican (n.) An indigo-forming substance, found in urine, and other animal fluids, and convertible into red and blue indigo (urrhodin and uroglaucin). Chemically, it is indoxyl sulphate of potash, C8H6NSO4K, and is derived from the indol formed in the alimentary canal. Called also uroxanthin..

Zaffer :: Zaffer (n.) A pigment obtained, usually by roasting cobalt glance with sand or quartz, as a dark earthy powder. It consists of crude cobalt oxide, or of an impure cobalt arseniate. It is used in porcelain painting, and in enameling pottery, to produce a blue color, and is often confounded with smalt, from which, however, it is distinct, as it contains no potash. The name is often loosely applied to mixtures of zaffer proper with silica, or oxides of iron, manganese, etc..

Tint :: Tint (n.) A color considered with reference to other very similar colors; as, red and blue are different colors, but two shades of scarlet are different tints..

Ancipitous :: Ancipitous (a.) Two-edged instead of round; -- said of certain flattened stems, as those of blue grass, and rarely also of leaves..

Bluethroat :: Bluethroat (n.) A singing bird of northern Europe and Asia (Cyanecula Suecica), related to the nightingales; -- called also blue-throated robin and blue-throated warbler..

Smalt :: Smalt (v. t.) A deep blue pigment or coloring material used in various arts. It is a vitreous substance made of cobalt, potash, and calcined quartz fused, and reduced to a powder..

Indirubin :: Indirubin (n.) A substance isomeric with, and resembling, indigo blue, and accompanying it as a side product, in its artificial production..

Warm :: Warm (superl.) Having yellow or red for a basis, or in their composition; -- said of colors, and opposed to cold which is of blue and its compounds..

Cyanosed :: Cyanosed (a.) Rendered blue, as the surface of the body, from cyanosis or deficient a/ration of the blood..

Cherub :: Cherub (n.) One of a order of angels, variously represented in art. In European painting the cherubim have been shown as blue, to denote knowledge, as distinguished from the seraphim (see Seraph), and in later art the children's heads with wings are generally called cherubs..

Burrhel :: Burrhel (n.) The wild Himalayan, or blue, sheep (Ovis burrhel)..

Woad :: Woad (n.) A blue dyestuff, or coloring matter, consisting of the powdered and fermented leaves of the Isatis tinctoria. It is now superseded by indigo, but is somewhat used with indigo as a ferment in dyeing..

Ticking :: Ticking (n.) A strong, closely woven linen or cotton fabric, of which ticks for beds are made. It is usually twilled, and woven in stripes of different colors, as white and blue; -- called also ticken..

Hypochondria :: Hypochondria (n.) Hypochondriasis; melancholy; the blues.

Bluestockingism :: Bluestockingism (n.) The character or manner of a bluestocking; female pedantry.

Woad :: Woad (n.) An herbaceous cruciferous plant (Isatis tinctoria). It was formerly cultivated for the blue coloring matter derived from its leaves.

Woodchat :: Woodchat (n.) Any one of several species of Asiatic singing birds belonging to the genera Ianthia and Larvivora. They are closely allied to the European robin. The males are usually bright blue above, and more or less red or rufous beneath..

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