Definition of blue

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Blue (superl.) Having the color of the clear sky, or a hue resembling it, whether lighter or darker; as, the deep, blue sea; as blue as a sapphire; blue violets..

Lern More About Blue

Dollardee :: Dollardee (n.) A species of sunfish (Lepomis pallidus), common in the United States; -- called also blue sunfish, and copper-nosed bream..
Shiver :: Shiver (n.) A variety of blue slate.
Xylindein :: Xylindein (n.) A green or blue pigment produced by Peziza in certain kinds of decayed wood, as the beech, oak, birch, etc., and extracted as an amorphous powder resembling indigo..
Concord :: Concord (n.) A variety of American grape, with large dark blue (almost black) grapes in compact clusters..
Blueberry :: Blueberry (n.) The berry of several species of Vaccinium, an ericaceous genus, differing from the American huckleberries in containing numerous minute seeds instead of ten nutlets. The commonest species are V. Pennsylvanicum and V. vacillans. V. corymbosum is the tall blueberry..
Covellite :: Covellite (n.) A native sulphide of copper, occuring in masses of a dark blue color; -- hence called indigo copper..
Sodalite :: Sodalite (n.) A mineral of a white to blue or gray color, occuring commonly in dodecahedrons, also massive. It is a silicate of alumina and soda with some chlorine..
Blue-bonnet :: Blue-bonnet (n.) A plant. Same as Bluebottle.
Indirubin :: Indirubin (n.) A substance isomeric with, and resembling, indigo blue, and accompanying it as a side product, in its artificial production..
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..
Tomtit :: Tomtit (n.) A titmouse, esp. the blue titmouse..
Woad :: Woad (n.) An herbaceous cruciferous plant (Isatis tinctoria). It was formerly cultivated for the blue coloring matter derived from its leaves.
Waterleaf :: Waterleaf (n.) Any plant of the American genus Hydrophyllum, herbs having white or pale blue bell-shaped flowers..
Blue Book :: Blue book () A parliamentary publication, so called from its blue paper covers..
Abluent :: Abluent (n.) A detergent.
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..
Morning-glory :: Morning-glory (n.) A climbing plant (Ipomoea purpurea) having handsome, funnel-shaped flowers, usually red, pink, purple, white, or variegated, sometimes pale blue. See Dextrorsal..
Odontolite :: Odontolite (n.) A fossil tooth colored a bright blue by phosphate of iron. It is used as an imitation of turquoise, and hence called bone turquoise..
Sapphire :: Sapphire (n.) Any humming bird of the genus Hylocharis, native of South America. The throat and breast are usually bright blue..
Deerberry :: Deerberry (n.) A shrub of the blueberry group (Vaccinium stamineum); also, its bitter, greenish white berry; -- called also squaw huckleberry..
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