Extract

(ekstrakt.) [From L. extract us, drawn out of.] (Chem.) The purer or more active parts of any substance extracted from its inert and gro er parts by means of decoction or distillation, until they were of the consistence of paste. Extraction of Roots, (-trakshun.) [Same der iv.] (Math.) An operation by which the root of a given quantity is found; that is, a quantity which, raised to the power indicated by the exponent of the root, would produce the given quantity. Thus, a is the cube-root ofa, since a raised to the cube would be as. Extradition, (-dish'ün.) [ L. extraditio, a yielding up.] (Inter. Law.) The delivering up of a criminal, under treaty, by one govt. or federal state to another in which he is native or naturalized, in order that he may be brought to trial and receive punishment. Treaties ofE. are in force between the U. S. govt. and those of the principal European powers, for the mutual surrender of persons laboring under a charge of murder, arson, forgery, or embezzlement. Extrados, (-trā'dos.) [Fr., from L. extra, and Fr. dos, the back.] (Arch.) The exterior curve of an arch, measured on the top of the vou oirs, as opposed to the soffit or intra dos. Extravaganza, (-trăv-ah-găn'zah.) [Ital., something beyond the common.) (Mus.) A kind of composition distinguished by the wildne and incoherence of its style.-(Lit.) An irregular dramatic piece, usually of the burlesque cast. Extravasation, (-vah-sā'shun.) [From L. extra, outside of, and vas, a ve el.) (Med.) The escape of any of the fluids of the living body from their proper ve els through a rupture or injury in their walls. Extreme Unction, (-üngk'shün.) [See UNCTION.] (Theol.) One of the seven sacraments of the Roman Catholic Church, administered only to persons at the point of death, consisting in the anointing various parts of the body, and the recitation of certain prayers. It is supposed to purify the soul of the dying person from any sin he may have committed, which has not been previously expiated by participation in the other means of grace. The Council of Trent pa ed several canons on this subject, declaring it to be truly and properly a sacrament instituted by Jesus Christ. (ēks-trim'e-teez.) [ L. ext remit as, a last resort.] (Anat.) The limbs, as distinguished from the head and trunk of an animal.-(Fine Arts.) The head, hands, and feet of an animal figure. [s. 351]