Dictionary: A-O-RIST'IC – A-PE'RI-ENT

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A-O-RIST'IC, a.

Indefinite; pertaining to an aorist, or indefinite tense.

A-ORT'A, n. [Gr. αορτη, the great artery; also an ark, or chest.]

The great artery, or trunk of the arterial system; proceeding from the left ventricle of the heart, and giving origin to all the arteries, except the pulmonary arteries. It first rises, when it is called the ascending aorta; then makes a great curve, when it gives off branches to the head, and upper extremities; then proceeds downward, called the descending aorta, when it gives off branches to the trunk; and finally divides into the two iliacs, which supply the pelvis and lower extremities. – Cyc. Parr.

A-ORT'AL, a.

Pertaining to the aorta, or great artery. – Darwin.

A-OU'TA, n.

The paper-mulberry tree, in Otaheite, from whose bark is manufactured a cloth worn by the inhabitants. – Encyc.

A-PACE', adv. [a and pace.]

With a quick pace; quick; fast; speedily; with haste; hastily; applied to things in motion or progression; as, birds fly apace; weeds grow apace.

AP'A-GO-GE, or AP'A-GO-GY, n. [Gr. from απαγω, to draw aside, of απο, from, and αγω, to drive.]

  1. In logic, abduction; a kind of argument, wherein the greater extreme is evidently contained in the medium, but the medium not so evidently in the lesser extreme, as not to require further proof. Thus, “All whom God absolves are free from sin; but God absolves all who are in Christ; therefore all who are in Christ are free from sin.” The first position is evident; but the second may require further proof, as that God received full satisfaction for sin, by the suffering of Christ.
  2. In mathematics, a progress or passage from one proposition to another, when the first, having been demonstrated, is employed in proving others.
  3. In the Athenian law, the carrying a criminal, taken in the fact, to a magistrate. – Encyc.

AP-A-GOG'IC-AL, a.

An apagogical demonstration is an indirect way of proof, by showing the absurdity or impossibility of the contrary.

AP-A-LACH'I-AN, a.

Pertaining to the Apalaches, a tribe of Indians, in the western part of Georgia. Hence the word is applied to the mountains in or near their country, which are in fact the southern extremity of the Alleganean ridges.

A-PAN'THRO-PY, n. [Gr. απο, from, and ανθρωπος, man.]

An aversion to the company of men; a love of solitude. – Encyc.

AP-A-RITH'ME-SIS, n. [Gr.]

In rhetoric, enumeration.

A-PART', adv. [a and part; Fr. aparté. See Part.]

  1. Separately; at a distance; in a state of separation, as to place. Jesus departed thence into a desert place apart. – Matth. xiv.
  2. In a state of distinction, as to purpose, use, or character. The Lord hath set apart him that is godly for himself. Ps. iv.
  3. Distinctly; separately; as, consider the two propositions apart.
  4. Aside; in exclusion of; as, apart from all regard to his morals, he is not qualified, in other respects, for the office he holds.

A-PART'MENT, n. [Fr. apartement, or appartement, of ab or a, from, and partir, to depart. See Part.]

A room in a building; a division in a house, separated from others by partitions; a place separated by inclosure.

AP-A-THET'IC, a.

Void of feeling; free from passion; insensible. – Harris.

AP'A-THIST, n.

One destitute of feeling.

AP'A-THY, n. [Gr. α privative and παθος, passion.]

Want of feeling; an utter privation of passion, or insensibility to pain; applied either to the body or the mind. As applied to the mind, it is stoicism, a calmness of mind incapable of being ruffled by pleasure, pain, or passion. In the first ages of the Church, the Christians adopted the term to express a contempt of earthly concerns. Quietism is apathy disguised under the appearance of devotion. – Encyc.

AP'A-TITE, n. [from Gr. απαταω, to deceive; it having been often mistaken for other minerals.]

A variety of phosphate of lime; generally crystalized in low, flat, hexahedral prisms, sometimes even tabular. Its powder phosphoresces on burning coals. The phosphorite of Werner includes the massive and earthy varieties of the phosphate, which are distinguished from the apatite, by their containing a small portion of fluoric acid. – Cleaveland.

APE, n. [D. aap; Dan. abe; Sax. apa; Sw. and Ir. apa; Ice. ape; Germ. affe; W. ab, or epa, so named from the celerity of its motions.]

  1. A genus of quadrumana, found in the torrid zone of both continents, of a great variety of species. In common use, the word extends to all the tribe of monkeys and baboons; but in zoology, ape is limited to such of these animals as have no tails; while those with short tails are called baboons, and those with long ones, monkeys. These animals have four cutting teeth in each jaw, and two canine teeth, with obtuse grinders. The feet are formed like hands, with four fingers and a thumb, and flat nails. Apes are lively, full of frolick and chatter, generally untamable, thieving, and mischievous. They inhabit the forests, and live on fruits, leaves, and insects. – Encyc.
  2. One who imitates servilely, in allusion to the manners of the ape; a silly fellow.

APE, v.t.

To imitate servilely; to mimick, as an ape imitates human actions. Weak persons are always prone to ape foreigners.

A-PEAK', adv. [a and peak, a point. See Peak.]

  1. On the point; in a posture to pierce. – Johnson.
  2. In seamen's language, perpendicular. The anchor is apeak, when the cable is drawn so as to bring the ship directly over it. – Mar. Dict.

AP'EN-NINE, a. [L. apenninus; ad and penninus, an epithet applied to a peak or ridge of the Alps. Livy. Celtic pen or ben, the peak of a mountain, or in general, a mountain.]

Pertaining to or designating a chain of mountains, which extend from the plains of Piedmont, round the gulf of Genoa, to the center of Italy, and thence south-east to the extremity.

AP'EN-NINE, or AP'EN-NINES, n.

The mountains above described.

A-PEP'SY, a. [Gr. α privative and πεπτω, to digest.]

Defective digestion; indigestion. – Coxe. Encyc.

A'PER, n.

One who apes. In zoology, the wild boar.

A-PE'RI-ENT, a. [L. aperiens, aperio; Sp. and Port. abrir; It. aprire; Fr. ouvrir.]

Opening; that has the quality of opening; deobstruent; laxative.

A-PE'RI-ENT, n.

A medicine which promotes the circulation of the fluids, by removing obstructions; a laxative; a deobstruent; as, smallage, fennel, asparagus, parsley, and butcher's broom. – Encyc.