Definition of crystal

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Crystal (n.) The regular form which a substance tends to assume in solidifying, through the inherent power of cohesive attraction. It is bounded by plane surfaces, symmetrically arranged, and each species of crystal has fixed axial ratios. See Crystallization..

Lern More About Crystal

Orthometric :: Orthometric (a.) Having the axes at right angles to one another; -- said of crystals or crystalline forms.
Gallein :: Gallein (n.) A red crystalline dyestuff, obtained by heating together pyrogallic and phthalic acids..
Rufigallic :: Rufigallic (a.) Pertaining to, or designating, an acid which is obtained from gallic acid as a brown or red crystalline substance, and is related to rufiopin and anthracene..
Morintannic :: Morintannic (a.) Pertaining to, or designating, a variety of tannic acid extracted from fustic (Maclura, formerly Morus, tinctoria) as a yellow crystalline substance; -- called also maclurin..
Thymol :: Thymol (n.) A phenol derivative of cymene, C10H13.OH, isomeric with carvacrol, found in oil of thyme, and extracted as a white crystalline substance of a pleasant aromatic odor and strong antiseptic properties; -- called also hydroxy cymene..
Scapolite :: Scapolite (n.) A grayish white mineral occuring in tetragonal crystals and in cleavable masses. It is essentially a silicate of alumina and soda.
Cryptocrystalline :: Cryptocrystalline (a.) Indistinctly crystalline; -- applied to rocks and minerals, whose state of aggregation is so fine that no distinct particles are visible, even under the microscope..
Methionic :: Methionic (a.) Of, pertaining to, or designating, a sulphonic (thionic) acid derivative of methane, obtained as a stable white crystalline substance, CH2.(SO3H)2, which forms well defined salts..
Isethionic :: Isethionic (a.) Pertaining to, derived from, or designating, an acid, HO.C2H4.SO3H, obtained as an oily or crystalline substance, by the action of sulphur trioxide on alcohol or ether. It is derivative of sulphuric acid..
Molasses :: Molasses (n.) The thick, brown or dark colored, viscid, uncrystallizable sirup which drains from sugar, in the process of manufacture; any thick, viscid, sweet sirup made from vegetable juice or sap, as of the sorghum or maple. See Treacle..
Boron :: Boron (n.) A nonmetallic element occurring abundantly in borax. It is reduced with difficulty to the free state, when it can be obtained in several different forms; viz., as a substance of a deep olive color, in a semimetallic form, and in colorless quadratic crystals similar to the diamond in hardness and other properties. It occurs in nature also in boracite, datolite, tourmaline, and some other minerals. Atomic weight 10.9. Symbol B..
Brachypinacoid :: Brachypinacoid (n.) A plane of an orthorhombic crystal which is parallel both to the vertical axis and to the shorter lateral (brachydiagonal) axis.
Fourling :: Fourling (n.) A compound or twin crystal consisting of four individuals.
Imesatin :: Imesatin (n.) A dark yellow, crystalline substance, obtained by the action of ammonia on isatin..
Crystalline :: Crystalline (a.) Fig.: Resembling crystal; pure; transparent; pellucid.
Creatinin :: Creatinin (n.) A white, crystalline, nitrogenous body closely related to creatin but more basic in its properties, formed from the latter by the action of acids, and occurring naturally in muscle tissue and in urine..
Furile :: Furile (n.) A yellow, crystalline substance, (C4H3O)2.C2O2, obtained by the oxidation of furoin..
Terebic :: Terebic (a.) Pertaining to, or obtained from, terbenthene (oil of turpentine); specifically, designating an acid, C7H10O4, obtained by the oxidation of terbenthene with nitric acid, as a white crystalline substance..
Valeramide :: Valeramide (n.) The acid amide derivative of valeric acid, obtained as a white crystalline substance..
Hypoxanthin :: Hypoxanthin (n.) A crystalline, nitrogenous substance, closely related to xanthin and uric acid, widely distributed through the animal body, but especially in muscle tissue; -- called also sarcin, sarkin..
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