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An apparatus for inhaling any vapor or volatile substance, as ether or chloroform, for medicinal purposes.

ng fixed gases, as coal, blast-furnace, or producer gas; (2) engines using the vapor of a volatile fluid, as the typical gasoline (petrol) engine;

A yellow, crystalline, volatile substance, CI3H, having an offensive odor and sweetish taste, and analogous to chloroform. It is used in medicine as a healing and antiseptic dressing for wounds and sores.

An oily, volatile hydrocarbon, obtained by the distillation of caoutchouc or guttaipercha.C5H8 -- unsaturated, and used to make synthetic rubber by polymerization. In organic chemistry, viewed conceptually as the building block of the terpene series of hydrocarbons

carbonyl (CO) united with two hydrocarbon radicals. In general the ketones are colorless volatile liquids having a pungent ethereal odor.

luence; inconsiderate; easily influenced by trifling considerations; unsteady; unsettled; volatile; as, a light, vain person; a light mind. There is no greater argument of a light and inconsiderate person than profanely to scoff at religion. Tillotson.

Thoughtless; heedless; volatile; unsteady; fickle; loose. "Light- headed, weak men." Clarendon. -- Light"-head`ed*ness, n.

Unsettled; unsteady; volatile; not considerate. -- Light"-mind`ed*ness, n.

Having light and active wings; volatile; fleeting. Shak.

A trade name applied somewhat indefinitely to some of the volatile products obtained in refining crude petroleum. It is a complex and variable mixture of several hydrocarbons, generally boils below 170º Fahr., and is more inflammable than safe kerosene. It is used as a solvent, as a carburetant for air gas, and for ill…

An alkaloid extracted from hops as a colorless volatile liquid.

ving the qualities fabled to belong to the god Mercury; swift; active; sprightly; fickle; volatile; changeable; as, a mercurial youth; a mercurial temperament. A mercurial man Who fluttered over all things like a fan. Byron.

ypothetical radical formerly supposed to exist in mesityl oxide. Mesityl oxide (Chem.), a volatile liquid having the odor of peppermint, obtained by certain dehydrating agents from acetone; -- formerly called also dumasin.

ine, etc. [Formerly written also methule, methyle, etc.] Methyl alcohol (Chem.), a light, volatile, inflammable liquid, CH3.OH, obtained by the distillation of wood, and hence called wood spirit; -- called also methol, carbinol, etc. -- Methyl amine (Chem.), a colorless, inflammable, alkaline gas, CH3.NH2, having an a…

A light, volatile liquid, H2C(OCH3)2, regarded as a complex ether, and having a pleasant ethereal odor. It is obtained by the partial oxidation of methyl alcohol. Called also formal.

oses is emetic. Mustard oil (Chem.), a substance obtained from mustard, as a transparent, volatile and intensely pungent oil. The name is also extended to a number of analogous compounds produced either naturally or artificially.

The complex mixture of volatile, liquid, inflammable hydrocarbons, occurring naturally, and usually called crude petroleum, mineral oil, or rock oil. Specifically: That portion of the distillate obtained in the refinement of petroleum which is intermediate between the lighter gasoline and the heavier benzine, and has a…

A salt of nitrous acid. Amyl nitrite, a yellow oily volatile liquid, used in medicine as a depressant and a vaso-dilator. Its inhalation produces an instantaneous flushing of the face.

so called because of the nine carbon atoms in the molecule. Normal nonane is a colorless volatile liquid, an ingredient of ordinary kerosene.

metametric hydrocarcons (C8H18) of the methane series. The most important is a colorless, volatile, inflammable liquid, found in petroleum, and a constituent of benzene or ligroin.