Definition of crystal

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Crystal (n.) The material of quartz, in crystallization transparent or nearly so, and either colorless or slightly tinged with gray, or the like; -- called also rock crystal. Ornamental vessels are made of it. Cf. Smoky quartz, Pebble; also Brazilian pebble, under Brazilian..

Lern More About Crystal

Recrystallize :: Recrystallize (v. i. & t.) To crystallize again.
Dendritical :: Dendritical (a.) Pertaining to a dendrite, or to arborescent crystallization; having a form resembling a shrub or tree; arborescent..
Sinapic :: Sinapic (a.) Of or pertaining to sinapine; specifically, designating an acid (C11H12O5) related to gallic acid, and obtained by the decomposition of sinapine, as a white crystalline substance..
Coniferin :: Coniferin (n.) A glucoside extracted from the cambium layer of coniferous trees as a white crystalline substance.
Orsellinic :: Orsellinic (a.) Pertaining to, or designating, an organic acid obtained by a partial decomposition of orsellic acid as a white crystalline substance, and related to protocatechuic acid..
Pyrargyrite :: Pyrargyrite (n.) Ruby silver; dark red silver ore. It is a sulphide of antimony and silver, occurring in rhombohedral crystals or massive, and is of a dark red or black color with a metallic adamantine luster..
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..
Calcite :: Calcite (n.) Calcium carbonate, or carbonate of lime. It is rhombohedral in its crystallization, and thus distinguished from aragonite. It includes common limestone, chalk, and marble. Called also calc-spar and calcareous spar..
Hemin :: Hemin (n.) A substance, in the form of reddish brown, microscopic, prismatic crystals, formed from dried blood by the action of strong acetic acid and common salt; -- called also Teichmann's crystals. Chemically, it is a hydrochloride of hematin..
Daphnin :: Daphnin (n.) A white, crystalline, bitter substance, regarded as a glucoside, and extracted from Daphne mezereum and D. alpina..
Hydrastine :: Hydrastine (n.) An alkaloid, found in the rootstock of the golden seal (Hydrastis Canadensis), and extracted as a bitter, white, crystalline substance. It is used as a tonic and febrifuge..
Amarine :: Amarine (n.) A characteristic crystalline substance, obtained from oil of bitter almonds..
Ricinelaidin :: Ricinelaidin (n.) The glycerin salt of ricinelaidic acid, obtained as a white crystalline waxy substance by treating castor oil with nitrous acid..
Tellurite :: Tellurite (n.) Oxide of tellurium. It occurs sparingly in tufts of white or yellowish crystals.
Candy :: Candy (v. t.) A more or less solid article of confectionery made by boiling sugar or molasses to the desired consistency, and than crystallizing, molding, or working in the required shape. It is often flavored or colored, and sometimes contains fruit, nuts, etc..
Sarcosin :: Sarcosin (n.) A crystalline nitrogenous substance, formed in the decomposition of creatin (one of the constituents of muscle tissue). Chemically, it is methyl glycocoll..
Crocoite :: Crocoite (n.) Lead chromate occuring in crystals of a bright hyacinth red color; -- called also red lead ore.
Gypsum :: Gypsum (n.) A mineral consisting of the hydrous sulphate of lime (calcium). When calcined, it forms plaster of Paris. Selenite is a transparent, crystalline variety; alabaster, a fine, white, massive variety..
Bipyramidal :: Bipyramidal (a.) Consisting of two pyramids placed base to base; having a pyramid at each of the extremities of a prism, as in quartz crystals..
Crystalloid :: Crystalloid (n.) One of the microscopic particles resembling crystals, consisting of protein matter, which occur in certain plant cells; -- called also protein crystal..
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