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Quinone :: Quinone (n.) A crystalline substance, C6H4O2 (called also benzoketone), first obtained by the oxidation of quinic acid and regarded as a double ketone; also, by extension, any one of the series of which quinone proper is the type..

Quinovic :: Quinovic (a.) Pertaining to, or designating, a crystalline acid obtained from some varieties of cinchona bark..

Racemic :: Racemic (a.) Pertaining to, or designating, an acid found in many kinds of grapes. It is also obtained from tartaric acid, with which it is isomeric, and from sugar, gum, etc., by oxidation. It is a sour white crystalline substance, consisting of a combination of dextrorotatory and levorotatory tartaric acids..

Zirconoid :: Zirconoid (n.) A double eight-sided pyramid, a form common with tetragonal crystals; -- so called because this form often occurs in crystals of zircon..

Salicin :: Salicin (n.) A glucoside found in the bark and leaves of several species of willow (Salix) and poplar, and extracted as a bitter white crystalline substance..

Cubical :: Cubical (a.) Isometric or monometric; as, cubic cleavage. See Crystallization..

Radiate :: Radiate (a.) Having rays or parts diverging from a center; radiated; as, a radiate crystal..

Cabazite :: Cabazite (n.) A mineral occuring in glassy rhombohedral crystals, varying, in color from white to yellow or red. It is essentially a hydrous silicate of alumina and lime. Called also chabasie..

Trapezohedron :: Trapezohedron (n.) A tetartohedral solid of the hexagonal system, bounded by six trapezoidal planes. The faces of this form are common on quartz crystals..

Toluic :: Toluic (a.) Pertaining to, or designating, one of three metameric acids, CH3.C6H4.CO2H, which are related to toluene and analogous to benzoic acids. They are white crystalline substances, and are called respectively orthotoluic acid, metatoluic acid, and paratoluic acid..

Witherite :: Witherite (n.) Barium carbonate occurring in white or gray six-sided twin crystals, and also in columnar or granular masses..

Massive :: Massive (a.) In mass; not necessarily without a crystalline structure, but having no regular form; as, a mineral occurs massive..

Tyrosin :: Tyrosin (n.) A white crystalline nitrogenous substance present in small amount in the pancreas and spleen, and formed in large quantity from the decomposition of proteid matter by various means, -- as by pancreatic digestion, by putrefaction as of cheese, by the action of boiling acids, etc. Chemically, it consists of oxyphenol and amidopropionic acid, and by decomposition yields oxybenzoic acid, or some other benzol derivative..

Levulose :: Levulose (n.) A sirupy variety of sugar, rarely obtained crystallized, occurring widely in honey, ripe fruits, etc., and hence called also fruit sugar. It is called levulose, because it rotates the plane of polarization to the left..

Grain :: Grain (n.) To form grains, or to assume a granular ferm, as the result of crystallization; to granulate..

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..

Edingtonite :: Edingtonite (n.) A grayish white zeolitic mineral, in tetragonal crystals. It is a hydrous silicate of alumina and baryta..

Apomorphine :: Apomorphine (n.) A crystalline alkaloid obtained from morphia. It is a powerful emetic.

Toluid :: Toluid (n.) A complex double tolyl and toluidine derivative of glycocoll, obtained as a white crystalline substance..

Hydroquinone :: Hydroquinone (n.) A white crystalline substance, C6H4(OH)2, obtained by the reduction of quinone. It is a diacid phenol, resembling, and metameric with, pyrocatechin and resorcin. Called also dihydroxy benzene..

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