Part 302

Ap"ish*ly, adv. In an apish manner; with servile imitation; foppishly.

Ap"ish*ness, n. The quality of being apish; mimicry; foppery.

A*pit"pat, adv. [Pref. a- + pitpat.] With quick beating or palpitation; pitapat. Congreve.

Ap`la*cen"tal, a. [Pref. a- + placental.] Belonging to the Aplacentata; without placenta.

||Ap`la*cen*ta"ta, n. pl. [Pref. a- not + placenta.] (Zoöl.) Mammals which have no placenta.

||Ap`la*coph"o*ra (&?;), n. pl. [NL., fr. Gr. 'a priv. + &?; a flat cake + &?; to bear.] (Zoöl.) A division of Amphineura in which the body is naked or covered with slender spines or setæ, but is without shelly plates.

Ap`la*nat"ic (&?;), a. [Gr. 'a priv. + &?; disposed to wander, wandering, &?; to wander.] (Opt.) Having two or more parts of different curvatures, so combined as to remove spherical aberration; -- said of a lens.

Aplanatic focus of a lens (Opt.), the point or focus from which rays diverging pass the lens without spherical aberration. In certain forms of lenses there are two such foci; and it is by taking advantage of this fact that the best aplanatic object glasses of microscopes are constructed.

A*plan"a*tism (&?;), n. Freedom from spherical aberration.

A*plas"tic (&?;), a. [Pref. a- not + plastic.] Not plastic or easily molded.

||A`plomb" (&?;), n. [F., lit. perpendicularity; &?; to + plomb lead. See Plumb.] Assurance of manner or of action; self-possession.

A*plot"o*my (&?;), n. [Gr. &?; simple + &?; a cutting.] (Surg.) Simple incision. Dunglison.

||A*plus"tre (&?;), n. [L., fr. Gr. &?;.] (Rom. Antiq.) An ornamental appendage of wood at the ship's stern, usually spreading like a fan and curved like a bird's feather. Audsley.

||A*plys"i*a (&?;), n. [Gr. &?; a dirty sponge, fr. &?; unwashed; 'a priv. + &?; to wash.] (Zoöl.) A genus of marine mollusks of the order Tectibranchiata; the sea hare. Some of the species when disturbed throw out a deep purple liquor, which colors the water to some distance. See Illust. in Appendix.

||Ap*neu"mo*na (&?;), n. pl. [NL., fr. Gr. 'a priv. + &?;, &?;, a lung.] (Zoöl.) An order of holothurians in which the internal respiratory organs are wanting; -- called also Apoda or Apodes.

||Ap*nœ"a (&?;), n. [NL., fr. Gr. 'a priv. + &?;, &?;, breath, &?; to breathe, blow.] (Med.) Partial privation or suspension of breath; suffocation.

Ap"o (&?;). [Gr. &?;. See Ab-.] A prefix from a Greek preposition. It usually signifies from, away from, off, or asunder, separate; as, in apocope (a cutting off), apostate, apostle (one sent away), apocarpous.

A*poc"a*lypse (&?;), n. [L. apocalypsis, Gr. &?;, fr. &?; to uncover, to disclose; &?; from + &?; to cover, conceal: cf. F. apocalypse.] 1. The revelation delivered to St. John, in the isle of Patmos, near the close of the first century, forming the last book of the New Testament.

2. Anything viewed as a revelation; a disclosure.

The new apocalypse of Nature. Carlyle.

{ A*poc`a*lyp"tic (&?;), A*poc`a*lyp"tic*al (&?;), } a. [Gr. &?;.] Of or pertaining to a revelation, or, specifically, to the Revelation of St. John; containing, or of the nature of, a prophetic revelation.

Apocalyptic number, the number 666, mentioned in Rev. xiii. 18. It has been variously interpreted.

<! p. 69 !>

A*poc`a*lyp"tic (*pk`*lp"tk), A*poc`a*lyp"tist, n. The writer of the Apocalypse.

A*poc`a*lyp"tic*al*ly (&?;), adv. By revelation; in an apocalyptic manner.

Ap`o*car"pous, a. [Pref. apo- + Gr. karpo`s fruit.] (Bot.) Either entirely or partially separate, as the carpels of a compound pistil; -- opposed to syncarpous. Lindley.

A*poc"o*pate (&?;), v. t. [LL. apocopatus, p. p. of apocopare to cut off, fr. L. apocore. See Apocope.] (Gram.) To cut off or drop; as, to apocopate a word, or the last letter, syllable, or part of a word.

{ A*poc"o*pate (&?;), A*poc"o*pa`ted (&?;), } a. Shortened by apocope; as, an apocopate form.