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Etherin :: Etherin (n.) A white, crystalline hydrocarbon, regarded as a polymeric variety of ethylene, obtained in heavy oil of wine, the residue left after making ether; -- formerly called also concrete oil of wine..

Hematein :: Hematein (n.) A reddish brown or violet crystalline substance, C16H12O6, got from hematoxylin by partial oxidation, and regarded as analogous to the phthaleins..

Glyoxaline :: Glyoxaline (n.) A white, crystalline, organic base, C3H4N2, produced by the action of ammonia on glyoxal, and forming the origin of a large class of derivatives hence, any one of the series of which glyoxaline is a type; -- called also oxaline..

Melilotic :: Melilotic (a.) Of, pertaining to, or obtained from, sweet clover or melilot; specifically, designating an acid of the aromatic series, obtained from melilot as a white crystalline substance..

Foliation :: Foliation (n.) The property, possessed by some crystalline rocks, of dividing into plates or slabs, which is due to the cleavage structure of one of the constituents, as mica or hornblende. It may sometimes include slaty structure or cleavage, though the latter is usually independent of any mineral constituent, and transverse to the bedding, it having been produced by pressure..

Colocynthin :: Colocynthin (n.) The active medicinal principle of colocynth; a bitter, yellow, crystalline substance, regarded as a glucoside..

Sorbite :: Sorbite (n.) A sugarlike substance, isomeric with mannite and dulcite, found with sorbin in the ripe berries of the sorb, and extracted as a sirup or a white crystalline substance..

Morphine :: Morphine (n.) A bitter white crystalline alkaloid found in opium, possessing strong narcotic properties, and much used as an anodyne; -- called also morphia, and morphina..

Phthalin :: Phthalin (n.) A colorless crystalline substance obtained by reduction from phthalein, into which it is easily converted by oxidation; hence, any one of the series of which phthalin proper is the type..

Chelerythrine :: Chelerythrine (n.) An alkaloidal principle obtained from the celandine, and named from the red color of its salts. It is a colorless crystalline substance, and acts as an acrid narcotic poison. It is identical with sanguinarine..

Plumbagin :: Plumbagin (n.) A crystalline substance said to be found in the root of a certain plant of the Leadwort (Plumbago) family.

Nitre :: Nitre (n.) A white crystalline semitransparent salt; potassium nitrate; saltpeter. See Saltpeter.

Metaphosphoric :: Metaphosphoric (a.) Pertaining to, or designating, a monobasic acid, HPO3, analogous to nitric acid, and, by heating phosphoric acid, obtained as a crystalline substance, commonly called glacial phosphoric acid..

Acetamide :: Acetamide (n.) A white crystalline solid, from ammonia by replacement of an equivalent of hydrogen by acetyl..

Dambose :: Dambose (n.) A crystalline variety of fruit sugar obtained from dambonite.

Serine :: Serine (n.) A white crystalline nitrogenous substance obtained by the action of dilute sulphuric acid on silk gelatin.

Glyoxime :: Glyoxime (n.) A white, crystalline, nitrogenous substance, produced by the action of hydroxylamine on glyoxal, and belonging to the class of oximes; also, any one of a group of substances resembling glyoxime proper, and of which it is a type. See Oxime..

Murexide :: Murexide (n.) A crystalline nitrogenous substance having a splendid dichroism, being green by reflected light and garnet-red by transmitted light. It was formerly used in dyeing calico, and was obtained in a large quantities from guano. Formerly called also ammonium purpurate..

Juglone :: "Juglone (n.) A yellow crystalline substance resembling quinone, extracted from green shucks of the walnut (Juglans regia); -- called also nucin..

Subcultrate :: Subcrystalline (a.) Imperfectly crystallized.

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