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Solanicine :: Solanicine (n.) An alkaloid produced by the action of hydrochloric acid on solanidine, as a tasteless yellow crystalline substance..

Methysticin :: Methysticin (n.) A white, silky, crystalline substance extracted from the thick rootstock of a species of pepper (Piper methysticum) of the South Sea Islands; -- called also kanakin..

Orthoclase :: Orthoclase (n.) Common or potash feldspar crystallizing in the monoclinic system and having two cleavages at right angles to each other. See Feldspar.

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

Crystallogeny :: Crystallogeny (n.) The science which pertains to the production of crystals.

Nephelite :: Nephelite (n.) A mineral occuring at Vesuvius, in glassy agonal crystals; also elsewhere, in grayish or greenish masses having a greasy luster, as the variety elaeolite. It is a silicate of aluminia, soda, and potash..

Pyrogallol :: Pyrogallol (n.) A phenol metameric with phloroglucin, obtained by the distillation of gallic acid as a poisonous white crystalline substance having acid properties, and hence called also pyrogallic acid. It is a strong reducer, and is used as a developer in photography and in the production of certain dyes..

Uroxanic :: Uroxanic (a.) Pertaining to, or designating, an acid, C5H8N4O6, which is obtained, as a white crystalline substance, by the slow oxidation of uric acid in alkaline solution..

Propiolic :: Propiolic (a.) Pertaining to, or designating, an organic acid (called also propargylic acid) of the acetylene or tetrolic series, analogous to propionic acid, and obtained as a white crystalline substance..

Styryl :: Styrone (n.) A white crystalline substance having a sweet taste and a hyacinthlike odor, obtained by the decomposition of styracin; -- properly called cinnamic, / styryl, alcohol..

Trichite :: Trichite (n.) A kind of crystallite resembling a bunch of hairs, common in obsidian. See Illust. of Crystallite..

Vitellin :: Vitellin (n.) An albuminous body, belonging to the class of globulins, obtained from yolk of egg, of which it is the chief proteid constituent, and from the seeds of many plants. From the latter it can be separated in crystalline form..

Gneiss :: Gneiss (n.) A crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in planes, so that it breaks rather easily into coarse slabs or flags. Hornblende sometimes takes the place of the mica, and it is then called hornblendic / syenitic gneiss. Similar varieties of related rocks are also called gneiss..

Myristic :: Myristic (a.) Pertaining to, or derived from, the nutmeg (Myristica). Specifically, designating an acid found in nutmeg oil and otoba fat, and extracted as a white crystalline waxy substance..

Colemanite :: Colemanite (n.) A hydrous borate of lime occurring in transparent colorless or white crystals, also massive, in Southern California..

Scoparin :: Scoparin (n.) A yellow gelatinous or crystalline substance found in broom (Cytisus scoparius) accompanying sparteine.

Hydrophlorone :: Hydrophlorone (n.) A white, crystalline benzene derivative, C8H10O2, obtained by the reduction of phlorone..

Chalcopyrite :: Chalcopyrite (n.) Copper pyrites, or yellow copper ore; a common ore of copper, containing copper, iron, and sulphur. It occurs massive and in tetragonal crystals of a bright brass yellow color..

Xyletic :: Xyletic (a.) Pertaining to, or designating, a complex acid related to mesitylenic acid, obtained as a white crystalline substance by the action of sodium and carbon dioxide on crude xylenol..

Tetrolic :: Tetrolic (a.) Of, pertaining to, or designating, an acid, C3H3.CO2H, of the acetylene series, homologous with propiolic acid, obtained as a white crystalline substance..

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