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ile, inflammable liquid, (C2H5)2O, of a characteristic aromatic odor, obtained by the distillation of alcohol with sulphuric acid, and hence called also sulphuric ether. It is powerful solvent of fats, resins, and pyroxylin, but finds its chief use as an anæsthetic. Called also ethyl oxide.ethyl ether.…

A limpid, oily liquid obtained by the destructive distillation of various vegetable and animal substances; -- specifically, an oil consisting largely of the higher hydrocarbons of the paraffin series. [Written also eupion.]

To withdraw by expression, distillation, or other mechanical or chemical process; as, to extract an essence. Cf. Abstract, v. t., 6. Sunbeams may be extracted from cucumbers, but the process is tedious.

Excrement; ordure; also, settlings; sediment after infusion or distillation. [Written also feces.]

The impure spirit which comes over first and last in the distillation of whisky; -- the former being called the strong faints, and the latter, which is much more abundant, the weak faints. This crude spirit is much impregnated with fusel oil. Ure.

Cavillation; a caviling. [Obs.] Cranmer.

In distillation of low wines, the first portion of spirit that comes over, being a fluid abounding in fusel oil. Knight.

the oxidation of methyl alcohol, by the reduction of carbonic acid or the destructive distillation of oxalic acid. It is the first member of the fatty acids in the paraffin series, and is homologous with acetic acid.

To separate by means of, or to subject to, fractional distillation or crystallization; to fractionate; -- frequently used with out; as, to fraction out a certain grade of oil from pretroleum.

or paper notes, in circulation, of less value than the monetary unit. -- Fractional distillation (Chem.), a process of distillation so conducted that a mixture of liquids, differing considerably from each other in their boiling points, can be separated into its constituents.

To separate into different portions or fractions, as in the distillation of liquids.

rystallline substance, C2H2(CO2H)2, and produced artificially in many ways, as by the distillation of malic acid; boletic acid. It is found also in the lichen, Iceland moss, and hence was also called lichenic acid.

A colorless oily liquid, C4H3O.CHO, of a pleasant odor, obtained by the distillation of bran, sugar, etc., and regarded as an aldehyde derivative of furfuran; -- called also furfural.

s are marsh gas, olefiant gas, and hydrogen, artificially produced by the destructive distillation of gas coal, or sometimes of peat, wood, oil, resin, etc. It gives a brilliant light when burned, and is the common gas used for illuminating purposes.

ighly volatile mixture of fluid hydrocarbons, obtained from petroleum, as also by the distillation of bituminous coal. It is used in making air gas, and in giving illuminating power to water gas. See Carburetor.

The remains of grain, etc., after brewing or distillation; hence, any residuum. Also called draff.

ling the phenols, found as a constituent of woodtar creosote, aud produced by the dry distillation of guaiac resin.

hartshorn (Chem.), an impure solid carbonate of ammonia, obtained by the destructive distillation of hartshorn, or any kind of bone; volatile salts. Brande & C.-- Spirits of hartshorn (Chem.), a solution of ammonia in water; -- so called because formerly obtained from hartshorn shavings by destructive distillation. Si…

The act of hesitating, or pausing to consider; slowness in deciding; vacillation; also, the manner of one who hesitates.

The act of hesitating; suspension of opinion or action; doubt; vacillation.