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A colorless oil obtained from hemp dy distillation, and possessing its intoxicating properties.

An inflammable, volatile, oily, liquid hydrocarbon, obtained by the destructive distillation of caoutchouc.

of colleges. Lamb. Caput mortuum (. Etym: [L., dead head.] (Old Chem.) The residuum after distillation or sublimation; hence, worthless residue.

A white waxy solid obtained from Chinese wax, and by the distillation of cerotin.

An oil obtained by distillation of peat, and containing various members of the pyridine series.

An alcoholic cordial, distilled from aromatic herbs; -- made at La Grande Chartreuse.

onic acid (Chem.), a white, crystalline, deliquescent substance, C3H4(CO2H)2, obtained by distillation of citric acid. It is a compound of the ethylene series.

A thick, black, tarry liquid, obtained by the distillation of bituminous coal in the manufacture of illuminating gas; used for making printer's ink, black varnish, etc. It is a complex mixture from which many substances have been obtained, especially hydrocarbons of the benzene or aromatic series.

To repeat the distillation of, pouring the liquor back upon the matter remaining in the vessel. Arbuthnot.

er of its bitumen, sulphur, or other volatile matter by roasting in a kiln or oven, or by distillation, as in gas works. It is lagerly used where [Written also coak.] Gas coke, the coke formed in gas retorts, as distinguished from that made in ovens.

A colorless, oily liquid, formerly obtained by distillation of colophony. It is regarded as a polymeric form of terebenthene. Called also diterebene.

To rise and pass over, in distillation. -- To come over to, to join. -- To come round. (a) To recur in regular course. (b) To recover. [Colloq.] (c) To change, as the wind. (d) To relent. J. H. Newman.

An apparatus for receiving and condensing the volatile products of distillation to a liquid or solid form, by cooling.

A substance obtained from the residues of the distillation of petroleum, essentially the same as vaseline, but of somewhat stiffer consistency, and consisting of a mixture of the higher paraffines; a kind of petroleum jelly.

sure. It is a complex mixture of various phenols and their ethers, and is obtained by the distillation of wood tar, especially that of beechwood.

A vessel of flask for distillation, used with, or forming part of, an alembic; a matrass; -- originally in the shape of a gourd, with a wide mouth. See Alembic.

A colorless oily hydrocarbon, C6H5.C3H7, obtained by the distillation of cuminic acid; -- called also cumol.

A highly volatile liquid, condensed by cold and pressure from the first products of the distillation of petroleum; -- used for producing low temperatures.

leaves like a nettle (Lamium album). -- Dead oil (Chem.), the heavy oil obtained in the distillation of coal tar, and containing phenol, naphthalus, etc. -- Dead plate (Mach.), a solid covering over a part of a fire grate, to prevent the entrance of air through that part. -- Dead pledge, a mortgage. See Mortgage.…

To deprive of superabundant water, as by evaporation or distillation; to clear of aqueous matter; to rectify; -- used of spirits and acids.