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

Selenite :: Selenite (n.) A variety of gypsum, occuring in transparent crystals or crystalline masses..
Urechitoxin :: Urechitoxin (n.) A poisonous glucoside found accompanying urechitin, and extracted as a bitter white crystalline substance..
Brazilin :: Brazilin (n.) A substance contained in both Brazil wood and Sapan wood, from which it is extracted as a yellow crystalline substance which is white when pure. It is colored intensely red by alkalies..
Globulite :: Globulite (n.) A rudimentary form of crystallite, spherical in shape..
Crystallogeny :: Crystallogeny (n.) The science which pertains to the production of crystals.
Menispermine :: Menispermine (n.) An alkaloid distinct from picrotoxin and obtained from the cocculus indicus (the fruit of Anamirta Cocculus, formerly Menispermum Cocculus) as a white, crystalline, tasteless powder; -- called also menispermina..
Piperonal :: Piperonal (n.) A white crystalline substance obtained by oxidation of piperic acid, and regarded as a complex aldehyde..
Calumbin :: Calumbin (n.) A bitter principle extracted as a white crystalline substance from the calumba root.
Effloresce :: Effloresce (v. i.) To become covered with a whitish crust or light crystallization, from a slow chemical change between some of the ingredients of the matter covered and an acid proceeding commonly from an external source; as, the walls of limestone caverns sometimes effloresce with nitrate of calcium in consequence of the action in consequence of nitric acid formed in the atmosphere..
Amorphous :: Amorphous (a.) Without crystallization in the ultimate texture of a solid substance; uncrystallized.
Helleborin :: Helleborin (n.) A poisonous glucoside found in several species of hellebore, and extracted as a white crystalline substance with a sharp tingling taste. It possesses the essential virtues of the plant; -- called also elleborin..
Pinacoid :: Pinacoid (n.) A plane parallel to two of the crystalline axes.
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..
Pseudomorph :: Pseudomorph (n.) A pseudomorphous crystal, as a crystal consisting of quartz, but having the cubic form of fluor spar, the fluor crystal having been changed to quartz by a process of substitution..
Subcultrate :: Subcrystalline (a.) Imperfectly crystallized.
Arborescence :: Arborescence (n.) The state of being arborescent; the resemblance to a tree in minerals, or crystallizations, or groups of crystals in that form; as, the arborescence produced by precipitating silver..
Crystallographical :: Crystallographical (a.) Pertaining to crystallography.
Candy :: Candy (v. t.) To make sugar crystals of or in; to form into a mass resembling candy; as, to candy sirup..
Orthite :: Orthite (n.) A variety of allanite occurring in slender prismatic crystals.
Cyanite :: Cyanite (n.) A mineral occuring in thin-bladed crystals and crystalline aggregates, of a sky-blue color. It is a silicate of aluminium..
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