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Ruberythrinic :: Ruberythrinic (a.) Pertaining to, or designating, an acid extracted from madder root. It is a yellow crystalline substance from which alizarin is obtained..

Globulin :: Globulin (n.) An albuminous body, insoluble in water, but soluble in dilute solutions of salt. It is present in the red blood corpuscles united with haematin to form haemoglobin. It is also found in the crystalline lens of the eye, and in blood serum, and is sometimes called crystallin. In the plural the word is applied to a group of proteid substances such as vitellin, myosin, fibrinogen, etc., all insoluble in water, but soluble in dilute salt solutions..

Heulandite :: Heulandite (n.) A mineral of the Zeolite family, often occurring in amygdaloid, in foliated masses, and also in monoclinic crystals with pearly luster on the cleavage face. It is a hydrous silicate of alumina and lime..

Bellbird :: Bellbird (n.) The Myzantha melanophrys of Australia.

Olivine :: Olivine (n.) A common name of the yellowish green mineral chrysolite, esp. the variety found in eruptive rocks..

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..

Chrysotype :: Chrysotype (n.) A photographic picture taken upon paper prepared by the use of a sensitive salt of iron and developed by the application of chloride of gold.

Oxalantin :: Oxalantin (n.) A white crystalline nitrogenous substance (C6H4N4O5) obtained by the reduction of parabanic acid; -- called also leucoturic acid.

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..

Gelsemine :: Gelsemine (n.) An alkaloid obtained from the yellow jasmine (Gelsemium sempervirens), as a bitter white semicrystalline substance; -- called also gelsemia..

Naphthalene :: Naphthalene (n.) A white crystalline aromatic hydrocarbon, C10H8, analogous to benzene, and obtained by the distillation of certain bituminous materials, such as the heavy oil of coal tar. It is the type and basis of a large number of derivatives among organic compounds. Formerly called also naphthaline..

Urechitin :: Urechitin (n.) A glucoside extracted from the leaves of a certain plant (Urechitis suberecta) as a bitter white crystalline substance.

Linarite :: Linarite (n.) A hydrous sulphate of lead and copper occurring in bright blue monoclinic crystals.

Leucite :: Leucite (n.) A mineral having a glassy fracture, occurring in translucent trapezohedral crystals. It is a silicate of alumina and potash. It is found in the volcanic rocks of Italy, especially at Vesuvius..

Tetrinic :: Tetrinic (a.) Of, pertaining to, or designating, a complex ketonic acid, C5H6O3, obtained as a white crystalline substance; -- so called because once supposed to contain a peculiar radical of four carbon atoms. Called also acetyl-acrylic acid..

Caffeine :: Caffeine (n.) A white, bitter, crystallizable substance, obtained from coffee. It is identical with the alkaloid theine from tea leaves, and with guaranine from guarana..

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..

Daphnin :: Daphnin (n.) A white, crystalline, bitter substance, regarded as a glucoside, and extracted from Daphne mezereum and D. alpina..

Lazulite :: Lazulite (n.) A mineral of a light indigo-blue color, occurring in small masses, or in monoclinic crystals; blue spar. It is a hydrous phosphate of alumina and magnesia..

Quartzoid :: Quartzoid (n.) A form of crystal common with quartz, consisting of two six-sided pyramids, base to base..

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