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Solanidine :: Solanidine (n.) An alkaloid produced by the decomposition of solanine, as a white crystalline substance having a harsh bitter taste..

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..

Striation :: Striated (a.) Marked with striaae, or fine grooves, or lines of color; showing narrow structural bands or lines; as, a striated crystal; striated muscular fiber..

Limestone :: Limestone (n.) A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or dolomitic limestone. Crystalline limestone is called marble..

Lanthanite :: Lanthanite (n.) Hydrous carbonate of lanthanum, found in tabular while crystals..

Cascarillin :: Cascarillin (n.) A white, crystallizable, bitter substance extracted from oil of cascarilla..

Granite :: Granite (n.) A crystalline, granular rock, consisting of quartz, feldspar, and mica, and usually of a whitish, grayish, or flesh-red color. It differs from gneiss in not having the mica in planes, and therefore in being destitute of a schistose structure..

Raffinose :: Raffinose (n.) A colorless crystalline slightly sweet substance obtained from the molasses of the sugar beet.

Mineral :: Mineral (v. i.) An inorganic species or substance occurring in nature, having a definite chemical composition and usually a distinct crystalline form. Rocks, except certain glassy igneous forms, are either simple minerals or aggregates of minerals..

Hematite :: Hematite (n.) An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in splendent rhombohedral crystals, and in massive and earthy forms; -- the last called red ocher. Called also specular iron, oligist iron, rhombohedral iron ore, and bloodstone. See Brown hematite, under Brown..

Pinite :: Pinite (n.) A sweet white crystalline substance extracted from the gum of a species of pine (Pinus Lambertina). It is isomeric with, and resembles, quercite..

Excretin :: Excretin (n.) A nonnitrogenous, crystalline body, present in small quantity in human faeces..

Colloid :: Colloid (n.) A substance (as albumin, gum, gelatin, etc.) which is of a gelatinous rather than a crystalline nature, and which diffuses itself through animal membranes or vegetable parchment more slowly than crystalloids do; -- opposed to crystalloid..

Rhodonite :: Rhodonite (n.) Manganese spar, or silicate of manganese, a mineral occuring crystallised and in rose-red masses. It is often used as an ornamental stone..

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

Piperine :: Piperine (n.) A white crystalline compound of piperidine and piperic acid. It is obtained from the black pepper (Piper nigrum) and other species.

Radiated :: Radiated (a.) Formed of, or arranged like, rays or radii; having parts or markings diverging, like radii, from a common center or axis; as, a radiated structure; a radiated group of crystals..

Xylamide :: Xylamide (n.) An acid amide derivative of xylic acid, obtained as a white crystalline substance..

Chondrodite :: Chondrodite (n.) A fluosilicate of magnesia and iron, yellow to red in color, often occurring in granular form in a crystalline limestone..

Terephthalic :: Terephthalic (a.) Of, pertaining to, or designating, a dibasic acid of the aromatic series, metameric with phthalic acid, and obtained, as a tasteless white crystalline powder, by the oxidation of oil of turpentine; -- called also paraphthalic acid. Cf. Phthalic..

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