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s include kerosene, benzine, gasoline, paraffin, etc. Petroleum spirit, a volatile liquid obtained in the distillation of crude petroleum at a temperature of 170° Fahr., or below. The term is rather loosely applied to a considerable range of products, including benzine and ligroin. The terms petroleum ether, and naphth…

A paraffin obtained from petroleum from Rangoon in India, and practically identical with ordinary paraffin.

A liquid resembling camphene, obtained by treating turpentine hydrochloride with lime. [Written also peucyl.]

e son of Helios (Phoebus), that is, the son of light, or of the sun. He is fabled to have obtained permission to drive the chariot of the sun, in doing which his want of skill would have set the world on fire, had he not been struck with a thunderbolt by Jupiter, and hurled headlong into the river Po.…

The equivalent of an additional circuit or wire, in reality not existing, obtained by certain arrangements of real circuits, as in some multiplex telegraph systems.

A complex hydrocarbon, C14H10, found in coal tar, and obtained as a white crystalline substance with a bluish fluorescence.

The ethyl ether of phenol, obtained as an aromatic liquid, C6H5.O.C2H5.

produced by the destructive distillation of many organic bodies, as wood, coal, etc., and obtained from the heavy oil from coal tar.

A sweet amorphous deliquescent substance obtained indirectly from benzene, and isometric with, and resembling, dextrose.

A pearly crystalline substance obtained by the decomposition of phillyrin.

Pertaining to, or derived from, or designating, an organic acid obtained by the decomposition of phloretin.

A bitter white crystalline substance obtained by the decomposition of phlorizin, and formerly used to some extent as a substitute for quinine.

A sweet white crystalline substance, metameric with pyrogallol, and obtained by the decomposition of phloretin, and from certain gums, as catechu, kino, etc. It belongs to the class of phenols. [Called also phloroglucinol.]

A liquid metameric with xylenol, belonging to the class of phenols, and obtained by distilling certain salts of phloretic acid.

low crystalline substance having a peculiar unpleasant odor, resembling the quinones, and obtained from beechwood tar and coal tar, as also by the oxidation of xylidine; -- called also xyloquinone.

e substance, having a geraniumlike odor, regarded as a complex derivative of acetone, and obtained from certain camphor compounds.

An inert amorphous white powder, PN2H, obtained by passing ammonia over heated phosphorus. [Spelt also phosphame.] -- Phos"pham"ic, a.

A variety of bronze possessing great hardness, elasticity, and toughness, obtained by melting copper with tin phosphide. It contains one or two per cent of phosphorus and from five to fifteen per cent of tin.

A poisonous nonmetallic element of the nitrogen group, obtained as a white, or yellowish, translucent waxy substance, having a characteristic disagreeable smell. It is very active chemically, must be preserved under water, and unites with oxygen even at ordinary temperatures, giving a faint glow, -- whence its name. It…

The process of obtaining an etched or engraved plate from the photographic image, to be used in printing; also, a picture produced by such a process.