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

Blue :: Blue (pl.) Low spirits; a fit of despondency; melancholy.
Induline :: Induline (n.) Any one of a large series of aniline dyes, colored blue or violet, and represented by aniline violet..
Bluebird :: Bluebird (n.) A small song bird (Sialia sialis), very common in the United States, and, in the north, one of the earliest to arrive in spring. The male is blue, with the breast reddish. It is related to the European robin..
Ecchymosis :: Ecchymosis (n.) A livid or black and blue spot, produced by the extravasation or effusion of blood into the areolar tissue from a contusion..
Sauger :: Sauger (n.) An American fresh-water food fish (Stizostedion Canadense); -- called also gray pike, blue pike, hornfish, land pike, sand pike, pickering, and pickerel..
Pyocyanin :: Pyocyanin (n.) A blue coloring matter found in the pus from old sores, supposed to be formed through the agency of a species of bacterium (Bacillus pyocyaneus)..
Ancipitous :: Ancipitous (a.) Two-edged instead of round; -- said of certain flattened stems, as those of blue grass, and rarely also of leaves..
Sapphire :: Sapphire (n.) Native alumina or aluminium sesquioxide, Al2O3; corundum; esp., the blue transparent variety of corundum, highly prized as a gem..
Isatin :: Isatin (n.) An orange-red crystalline substance, C8H5NO2, obtained by the oxidation of indigo blue. It is also produced from certain derivatives of benzoic acid, and is one important source of artificial indigo..
Pale :: Pale (v. i.) Wanting in color; not ruddy; dusky white; pallid; wan; as, a pale face; a pale red; a pale blue..
Indoaniline :: Indoaniline (n.) Any one of a series of artificial blue dyes, in appearance resembling indigo, for which they are often used as substitutes..
Ageratum :: Ageratum (n.) A genus of plants, one species of which (A. Mexicanum) has lavender-blue flowers in dense 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..
Deep :: Deep (superl.) Strongly colored; dark; intense; not light or thin; as, deep blue or crimson..
Bluestocking :: Bluestocking (n.) The American avocet (Recurvirostra Americana).
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..
Shiver :: Shiver (n.) A variety of blue slate.
Cyanite :: Cyanite (n.) A mineral occuring in thin-bladed crystals and crystalline aggregates, of a sky-blue color. It is a silicate of aluminium..
Delicate :: Delicate (a.) Light, or softly tinted; -- said of a color; as, a delicate blue..
Bluefish :: Bluefish (n.) A West Indian fish (Platyglossus radiatus), of the family Labridae..
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