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Perofskite :: Perofskite (n.) A titanate of lime occurring in octahedral or cubic crystals.

Nataloin :: Nataloin (n.) A bitter crystalline substance constituting the essential principle of Natal aloes. Cf. Aloon.

Lethal :: Lethal (n.) One of the higher alcohols of the paraffine series obtained from spermaceti as a white crystalline solid. It is so called because it occurs in the ethereal salt of lauric acid.

Oxaluric :: Oxaluric (a.) Pertaining to, or designating, a complex nitrogenous acid related to the ureids, and obtained from parabanic acid as a white silky crystalline substance..

Isatin :: Isatin (n.) An orange-red crystalline substance, C8H5NO2, obtained by the oxidation of indigo blue. It is also produced from certain derivatives of benzoic acid, and is one important source of artificial indigo..

Sorbin :: Sorbin (n.) An unfermentable sugar, isomeric with glucose, found in the ripe berries of the rowan tree, or sorb, and extracted as a sweet white crystalline substance; -- called also mountain-ash sugar..

Chill :: Chill (v. t.) To produce, by sudden cooling, a change of crystallization at or near the surface of, so as to increase the hardness; said of cast iron..

Trimorphism :: Trimorphism (n.) The property of crystallizing in three forms fundamentally distinct, as is the case with titanium dioxide, which crystallizes in the forms of rutile, octahedrite, and brookite. See Pleomorphism..

Copperas :: Copperas (n.) Green vitriol, or sulphate of iron; a green crystalline substance, of an astringent taste, used in making ink, in dyeing black, as a tonic in medicine, etc. It is made on a large scale by the oxidation of iron pyrites. Called also ferrous sulphate..

Tree :: Tree (n.) A mass of crystals, aggregated in arborescent forms, obtained by precipitation of a metal from solution. See Lead tree, under Lead..

Siderite :: Siderite (n.) Carbonate of iron, an important ore of iron occuring generally in cleavable masses, but also in rhombohedral crystals. It is of a light yellowish brown color. Called also sparry iron, spathic iron..

Datiscin :: Datiscin (n.) A white crystalline glucoside extracted from the bastard hemp (Datisca cannabina).

Harmotome :: Harmotome (n.) A hydrous silicate of alumina and baryta, occurring usually in white cruciform crystals; cross-stone..

Chesterlite :: Chesterlite (n.) A variety of feldspar found in crystals in the county of Chester, Pennsylvania..

Saltmouth :: Saltmouth (n.) A wide-mouthed bottle with glass stopper for holding chemicals, especially crystallized salts..

Lecanoric :: Lecanoric (a.) Pertaining to, or designating, an organic acid which is obtained from several varieties of lichen (Lecanora, Roccella, etc.), as a white, crystalline substance, and is called also orsellic, / diorsellinic acid, lecanorin, etc..

Cholesterin :: Cholesterin (n.) A white, fatty, crystalline substance, tasteless and odorless, found in animal and plant products and tissue, and especially in nerve tissue, in the bile, and in gallstones..

Diopside :: Diopside (n.) A crystallized variety of pyroxene, of a clear, grayish green color; mussite..

Cocaine :: Cocaine (n.) A powerful alkaloid, C17H21NO4, obtained from the leaves of coca. It is a bitter, white, crystalline substance, and is remarkable for producing local insensibility to pain..

Staurotide :: Stauroscope (n.) An optical instrument used in determining the position of the planes of light-vibration in sections of crystals.

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