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e obtained in the purification of crude wood vinegar. It is regarded as a complex quinone derivative of diphenyl; -- called also cedriret.

as a colorless oil, C8H17N, of strong repulsive odor and acrid taste. It is regarded as a derivative of piperidine and likewise of one of the collidines. It occasions a gradual paralysis of the motor nerves. Called also coniine, coneine, conia, etc. See Conium, 2.

An oily substance, C8H14, obtained from several derivatives of conine.

A blue, fluorescent, oily base (regarded as a derivative of pyridine), obtained from conine.

artificial production and complex structure. In general they are diazo and sulphonic acid derivatives of benzene and naphthol.

A complex derivative of cyanogen, regarded as an acid, and known chiefly in its salts; -- called also hydromellonic acid.

Derived; derivative. [R.] H. Taylor. -- n.

That which is derived; a derivative; a deduction. From the Euphrates into an artificial derivation of that river. Gibbon.

To subject to such reactions or processes that diazo compounds, or their derivatives, shall be produced by chemical exchange or substitution.

A derivative from a noun, denoting a small or a young object of the same kind with that denoted by the primitive; as, gosling, eaglet, lambkin. Babyisms and dear diminutives. Tennyson.

A pungent, mobile, volatile liquid, C6H6, produced artificially from certain allyl derivatives. Though isomeric with benzine, it is very different in its chemical relations. Called also dipropinyl.

alline substance, C15H10O5, obtained from the buckthorn, rhubarb, etc., and regarded as a derivative of anthraquinone; -- so called from a species of rhubarb (Rheum emodei).

ce, C20H22O10, extracted from certain lichens, as the various species of Rocella. It is a derivative of orsellinic acid. So called because of certain red compounds derived from it. Called also erythric acid.

illuminating gas. It is the second member of the paraffin series, and its most important derivatives are common alcohol, aldehyde, ether, and acetic acid. Called also dimethyl.

ning to, derived from, or designating, an acid so called. Ethionic acid (Chem.), a liquid derivative of ethylsulphuric and sulphuric (thionic) acids, obtained by the action of sulphur trioxide on absolute alcohol.

iquid, C2H5.NH2, very volatile and with an ammoniacal odor. It is a strong base, and is a derivative of ammonia. Called also ethyl carbamine, and amido ethane.

Pertaining to, or denoting, an acid so called. Euthiochroic acid (Chem.), a complex derivative of hydroquinone and sulphonic (thionic) acid. -- so called because it contains sulphur, and forms brilliantly colored (yellow) salts.

-- Fat series, Fatty series (Chem.), the series of the paraffine hydrocarbons and their derivatives; the marsh gas or methane series. -- Natural fats (Chem.), the group of oily substances of natural occurrence, as butter, lard, tallow, etc., as distinguished from certain fatlike substance of artificial production, a…

Any of several explosive mixtures, chiefly of ammonium nitrate and a nitrate derivative of naphthalene. They are stable, but require protection from moisture. As prepared it is a compressed cylinder of the explosive, filled with loose powder of the same composition, all inclosed in waterproof wrappers. It is used for m…

rganic dyestuff, C16H14N2, of artifical production. It is a strong base, and is a complex derivative of aniline and quinoline.