Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of crystal is as below...

Crystal :: Crystal (n.) Anything resembling crystal, as clear water, etc..

Bezel :: Bezel (n.) The rim which encompasses and fastens a jewel or other object, as the crystal of a watch, in the cavity in which it is set..

Oxamethylane :: Oxamethylane (n.) Methyl oxamate, obtained as a pearly white crystalline substance..

Gallein :: Gallein (n.) A red crystalline dyestuff, obtained by heating together pyrogallic and phthalic acids..

Anemonic :: Anemonic (a.) An acrid, poisonous, crystallizable substance, obtained from, the anemone, or from anemonin..

Plagihedral :: Plagihedral (a.) Having an oblique spiral arrangement of planes, as levogyrate and dextrogyrate crystals..

Axinite :: Axinite (n.) A borosilicate of alumina, iron, and lime, commonly found in glassy, brown crystals with acute edges..

Violuric :: Violuric (a.) Of, pertaining to, or designating, a complex nitroso derivative of barbituric acid. It is obtained as a white or yellow crystalline substance, and forms characteristic yellow, blue, and violet salts..

Pseudo-symmetry :: Pseudo-symmetry (n.) A kind of symmetry characteristic of certain crystals which from twinning, or other causes, come to resemble forms of a system other than that to which they belong, as the apparently hexagonal prisms of aragonite..

Isometrical :: Isometrical (a.) Noting, or conforming to, that system of crystallization in which the three axes are of equal length and at right angles to each other; monometric; regular; cubic. Cf. Crystallization..

Chessy Copper :: Chessy copper () The mineral azurite, found in fine crystallization at Chessy, near Lyons; called also chessylite..

Santalic :: Santalic (a.) Of, pertaining to, or obtained from, sandalwood (Santalum); -- used specifically to designate an acid obtained as a resinous or red crystalline dyestuff, which is called also santalin..

Sinapine :: Sinapine (n.) An alkaloid occuring in the seeds of mustard. It is extracted, in combination with sulphocyanic acid, as a white crystalline substance, having a hot, bitter taste. When sinapine is isolated it is unstable and undergoes decomposition..

Biuret :: Biuret (n.) A white, crystalline, nitrogenous substance, C2O2N3H5, formed by heating urea. It is intermediate between urea and cyanuric acid..

Pyrocatechin :: Pyrocatechin (n.) A white crystalline substance, C6H4(OH)2, of the phenol series, found in various plants; -- so called because first obtained by distillation of gum catechu. Called also catechol, oxyphenol. etc..

Excretin :: Excretin (n.) A nonnitrogenous, crystalline body, present in small quantity in human faeces..

Orthometric :: Orthometric (a.) Having the axes at right angles to one another; -- said of crystals or crystalline forms.

Rutin :: Rutin (n.) A glucoside resembling, but distinct from, quercitrin. Rutin is found in the leaves of the rue (Ruta graveolens) and other plants, and obtained as a bitter yellow crystalline substance which yields quercitin on decomposition..

Datolite :: Datolite (n.) A borosilicate of lime commonly occuring in glassy,, greenish crystals..

Presbyopia :: Presbyopia () A defect of vision consequent upon advancing age. It is due to rigidity of the crystalline lens, which produces difficulty of accommodation and recession of the near point of vision, so that objects very near the eyes can not be seen distinctly without the use of convex glasses. Called also presbytia..

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