Apish
(Ap"ish) a. Having the qualities of an ape; prone to imitate in a servile manner. Hence: Apelike; fantastically
silly; foppish; affected; trifling.
The apish gallantry of a fantastic boy.
Sir W. Scott.
Apishly
(Ap"ish*ly), adv. In an apish manner; with servile imitation; foppishly.
Apishness
(Ap"ish*ness), n. The quality of being apish; mimicry; foppery.
Apitpat
(A*pit"pat), adv. [Pref. a- + pitpat.] With quick beating or palpitation; pitapat. Congreve.
Aplacental
(Ap`la*cen"tal), a. [Pref. a- + placental.] Belonging to the Aplacentata; without placenta.
Aplacentata
(||Ap`la*cen*ta"ta), n. pl. [Pref. a- not + placenta.] (Zoöl.) Mammals which have no placenta.
Aplacophora
(||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.
Aplanatic
(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.
Aplanatism
(A*plan"a*tism) n. Freedom from spherical aberration.
Aplastic
(A*plas"tic) a. [Pref. a- not + plastic.] Not plastic or easily molded.
Aplomb
(||A`plomb") n. [F., lit. perpendicularity; to + plomb lead. See Plumb.] Assurance of manner
or of action; self-possession.
Aplotomy
(A*plot"o*my) n. [Gr. simple + a cutting.] (Surg.) Simple incision. Dunglison.
Aplustre
(||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.
Aplysia
(||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.
Apneumona
(||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.
Apnœa
(||Ap*nœ"a) n. [NL., fr. Gr. 'a priv. + breath, to breathe, blow.] (Med.) Partial privation or suspension
of breath; suffocation.
Apo
(Ap"o) 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.
Apocalypse
(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.