Chapter 78

Apert <Xpage= Anx*i"e*ty (#) , n. ; pl. Anxieties (#) . [L. anxietas , fr. anxius : cf. F. anxi\'82t\'82 . See Anxious .] 67 1. Concern or solicitude respecting some thing o<?/<?/vent, future or uncertain, which disturbs the mind, and keeps it in a state of painful uneasiness. >

A*pert" (#) , a. [OF. apert , L. apertus , p. p. of aperire . See Aperient , and cf. Pert , a. ] Open; ev<?/dent; undisguised. [Archaic]

Fotherby.

Apert <Xpage= Anx*i"e*ty (#) , n. ; pl. Anxieties (#) . [L. anxietas , fr. anxius : cf. F. anxi\'82t\'82 . See Anxious .] 67 1. Concern or solicitude respecting some thing o<?/<?/vent, future or uncertain, which disturbs the mind, and keeps it in a state of painful uneasiness. >

A*pert" , adv. Openly. [Obs.]

Chaucer.

Apertion <Xpage= Anx*i"e*ty (#) , n. ; pl. Anxieties (#) . [L. anxietas , fr. anxius : cf. F. anxi\'82t\'82 . See Anxious .] 67 1. Concern or solicitude respecting some thing o<?/<?/vent, future or uncertain, which disturbs the mind, and keeps it in a state of painful uneasiness. >

A*per"tion (#) , n. [L. apertio .] The act of opening; an opening; an aperture. [Archaic]

Wiseman.

Apertly <Xpage= Anx*i"e*ty (#) , n. ; pl. Anxieties (#) . [L. anxietas , fr. anxius : cf. F. anxi\'82t\'82 . See Anxious .] 67 1. Concern or solicitude respecting some thing o<?/<?/vent, future or uncertain, which disturbs the mind, and keeps it in a state of painful uneasiness. >

A*pert"ly , adv. Openly; clearly. [Archaic]

Apertness <Xpage= Anx*i"e*ty (#) , n. ; pl. Anxieties (#) . [L. anxietas , fr. anxius : cf. F. anxi\'82t\'82 . See Anxious .] 67 1. Concern or solicitude respecting some thing o<?/<?/vent, future or uncertain, which disturbs the mind, and keeps it in a state of painful uneasiness. >

A*pert"ness , n. Openness; frankness. [Archaic]

Aperture <Xpage= Anx*i"e*ty (#) , n. ; pl. Anxieties (#) . [L. anxietas , fr. anxius : cf. F. anxi\'82t\'82 . See Anxious .] 67 1. Concern or solicitude respecting some thing o<?/<?/vent, future or uncertain, which disturbs the mind, and keeps it in a state of painful uneasiness. >

Ap"er*ture (?; 135) , n. [L. apertura , fr. aperire . See Aperient .] 1. The act of opening. [Obs.]

2. An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall .

An aperture between the mountains. Gilpin.

The back aperture of the nostrils. Owen.

3. (Opt.) The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture .

&hand; The aperture of microscopes is often expressed in degrees, called also the angular aperture , which signifies the angular breadth of the pencil of light which the instrument transmits from the object or point viewed; as, a microscope of 100&deg; aperture .

Apery <Xpage= Anx*i"e*ty (#) , n. ; pl. Anxieties (#) . [L. anxietas , fr. anxius : cf. F. anxi\'82t\'82 . See Anxious .] 67 1. Concern or solicitude respecting some thing o<?/<?/vent, future or uncertain, which disturbs the mind, and keeps it in a state of painful uneasiness. >

Ap"er*y (#) , n. ; pl. Aperies . 1. A place where apes are kept. [R.]

Kingsley.

2. The practice of aping; an apish action.

Coleridge.

<-- p. 68 -->

Apetalous <Xpage=68>

A*pet"al*ous (#) , a. [Pref. a- not + petal .] (Bot.) Having no petals, or flower leaves. [See Illust . under Anther ].

Apetalousness <Xpage=68>

A*pet"al*ous*ness , n. The state of being apetalous.

Apex <Xpage=68>

A"pex (#) , n. ; pl. E. Apexes (#) ; L. Apices (#) . [L.] 1. The tip, top, point, or angular summit of anything; as, the apex of a mountain, spire, or cone; the apex , or tip, of a leaf.

2. (Mining) The end or edge of a vein nearest the surface. [U.S.]

Apex of the earth's motion (Astron.) , that point of the heavens toward which the earth is moving in its orbit.

Aph\'91resis <Xpage=68>

A*ph\'91r"e*sis (?; 277) , n. [L.] Same as Apheresis .

Aphakia <Xpage=68>

A*pha"ki*a (#) , n. [NL.; Gr. <?/ priv. + <?/ seed of a lentil.] (Med.) An anomalous state of refraction caused by the absence of the crystalline lens, as after operations for cataract. The remedy is the use of powerful convex lenses.

Dunglison.

Aphakial <Xpage=68>

A*pha"ki*al (#) , a. (Med.) Pertaining to aphakia; as, aphakial eyes .

Aphaniptera <Xpage=68>

Aph`a*nip"te*ra (#) , n. pl. [NL., fr. Gr. <?/ invisible (<?/ priv. + <?/ to appear) + <?/ a wing.] (Zo\'94l.) A group of wingless insects, of which the flea in the type. See Flea .

Aphanipterous <Xpage=68>

Aph`a*nip"ter*ous (#) , a. (Zo\'94l.) Of or pertaining to the Aphaniptera.

Aphanite <Xpage=68>

Aph"a*nite (#) , n. [Gr. <?/ invisible; <?/ priv. + <?/ to appear.] (Min.) A very compact, dark-colored <?/ock, consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains.

Aphanitic <Xpage=68>

Aph`a*nit"ic (#) , a. (Min.) Resembling aphanite; having a very fine-grained structure.

Aphasia, Aphasy <Xpage=68>

A*pha"si*a (#) , Aph"a*sy (#) , n. [NL. aphasia , Gr. <?/, fr. <?/ not spoken; <?/ priv. + <?/ to speak: cf. F. aphasie .] (Med.) Loss of the power of speech, or of the appropriate use of words, the vocal organs remaining intact, and the intelligence being preserved. It is dependent on injury or disease of the brain.

Aphasic <Xpage=68>

A*pha"sic (#) , a. Pertaining to, or affected by, aphasia; speechless.

Aphelion <Xpage=68>

A*phel"ion (?; 277) , n. ; pl. Aphelia (#) . [Gr. <?/ + <?/ sun.] (Astron.) That point of a planet's or comet's orbit which is most distant from the sun, the opposite point being the perihelion .

Apheliotropic <Xpage=68>

A*phe`li*o*trop"ic (#) , a. [Gr. <?/ + <?/ sun + <?/ belonging to a turning.] Turning away from the sun; -- said of leaves, etc.

Darwin.

Apheliotropism <Xpage=68>

A*phe`li*ot"ro*pism (#) , n. The habit of bending from the sunlight; -- said of certain plants.

Aphemia <Xpage=68>

A*phe"mi*a (#) , n. [NL., fr. Gr. <?/ priv. + <?/ voice.] (Med.) Loss of the power of speaking, while retaining the power of writing; -- a disorder of cerebral origin.

Apheresis <Xpage=68>

A*pher"e*sis (?; 277) , n. [L. aphaeresis , Gr. <?/, fr. <?/ to take away; <?/ + <?/ to take.] 1. (Gram.) The dropping of a letter or syllable from the beginning of a word; e. g ., cute for a cute.

2. (Surg.) An operation by which any part is separated from the rest. [Obs.]

Dunglison.

Aphesis <Xpage=68>

Aph"e*sis (#) , n. [Gr. <?/ a letting go; <?/ + <?/ to let go.] The loss of a short unaccented vowel at the beginning of a word; -- the result of a phonetic process; as, squire for esquire .

New Eng. Dict.

Aphetic <Xpage=68>

A*phet"ic (#) , a. [Gr. <?/ letting go, fr. <?/ to let go.] Shortened by dropping a letter or a syllable from the beginning of a word; as, an aphetic word or form . -- A*phet"ic*al*ly , adv.

New Eng. Dict.

Aphetism <Xpage=68>

Aph"e*tism (#) , n. An aphetized form of a word.

New Eng. Dict.

Aphetize <Xpage=68>

Aph"e*tize (#) , v. t. To shorten by aphesis.

These words . . . have been aphetized . New Eng. Dict.

Aphid <Xpage=68>

A"phid (#) , n. (Zo\'94l.) One of the genus Aphis; an aphidian.

Aphides <Xpage=68>

Aph"i*des (#) , n. pl. (Zo\'94l.) See Aphis .

Aphidian <Xpage=68>

A*phid"i*an (#) , a. (Zo\'94l.) Of or pertaining to the family Aphid\'91 . -- n. One of the aphides; an aphid.

Aphidivorous <Xpage=68>

Aph`i*div"o*rous (#) . [ Aphis + L. vorare to devour.] (Zo\'94l.) Devouring aphides; aphidophagous.

Aphidophagous <Xpage=68>

Aph`i*doph"a*gous (#) , a. [ Aphis + Gr. <?/ to eat.] (Zo\'94l.) Feeding upon aphides, or plant lice, as do beetles of the family Coccinellid\'91 .

Aphilanthropy <Xpage=68>

Aph`i*lan"thro*py (#) , n. [Gr. <?/ not loving man; <?/ priv. + <?/ to love + <?/ man.] Want of love to mankind; -- the opposite of philanthropy .

Coxe.

Aphis <Xpage=68>

A"phis (#) , n. ; pl. Aphides (#) . [NL.] (Zo\'94l.) A genus of insects belonging to the order Hemiptera and family Aphid\'91 , including numerous species known as plant lice and green flies.

&hand; Besides the true males and females, there is a race of wingless asexual individuals which have the power of producing living young in rapid succession, and these in turn may produce others of the same kind for several generations, before sexual individuals appear. They suck the sap of plants by means of a tubular proboscis, and owing to the wonderful rapidity of their reproduction become very destructive to vegetation. Many of the Aphid\'91 excrete honeydew from two tubes near the end of the body.

Aphis lion <Xpage=68>

A"phis li"on (#) . (Zo\'94l.) The larva of the lacewinged flies (Chrysopa) , which feeds voraciously upon aphids. The name is also applied to the larv\'91 of the ladybugs (Coccinella) .

Aphlogistic <Xpage=68>

Aph`lo*gis"*tic (#) , a. [Gr. <?/ not inflammable; <?/ priv. + <?/ set on fire. See Phlogiston.] Flameless; as, an aphlogistic lamp, in which a coil of wire is kept in a state of continued ignition by alcohol, without flame .

Aphonia, Aphony <Xpage=68>

A*pho"ni*a (#) , Aph"o*ny (#) , n. [NL. aphonia , Gr. <?/, fr. <?/ voiceless; <?/ priv. + <?/ voice: cf. F. aphonie .] (Med.) Loss of voice or vocal utterance.

Aphonic, Aphonous <Xpage=68>

A*phon"ic (#) , Aph"o*nous (#) , a. Without voice; voiceless; nonvocal.

Aphorism <Xpage=68>

Aph"o*rism (#) , n. [F. aphorisme , fr. Gr. <?/ definition, a short, pithy sentence, fr. <?/ to mark off by boundaries, to define; <?/ from + <?/ to separate, part. See Horizon .] A comprehensive maxim or principle expressed in a few words; a sharply defined sentence relating to abstract truth rather than to practical matters.

The first aphorism of Hippocrates is, "Life is short, and the art is long." Fleming.

Syn. -- Axiom; maxim; adage; proverb; apothegm; saying; saw; truism; dictum. See Axiom .

Aphorismatic, Aphorismic <Xpage=68>

Aph`o*ris*mat"ic (#) , Aph`o*ris"mic (#) , a. Pertaining to aphorisms, or having the form of an aphorism.

Aphorismer <Xpage=68>

Aph`o*ris"mer (#) n. A dealer in aphorisms. [Used in derogation or contempt.]

Milton.

Aphorist <Xpage=68>

Aph"o*rist , n. A writer or utterer of aphorisms.

Aphoristic, Aphoristical <Xpage=68>

Aph`o*ris"tic (#) , Aph`o*ris"tic*al (#) , a. [Gr. <?/.] In the form of, or of the nature of, an aphorism; in the form of short, unconnected sentences; as, an aphoristic style .

The method of the book is aphoristic . De Quincey.

Aphoristically <Xpage=68>

Aph`o*ris"tic*al*ly , adv. In the form or manner of aphorisms; pithily.

Aphorize <Xpage=68>

Aph"o*rize (#) , v. i. To make aphorisms.

Aphrite <Xpage=68>

Aph"rite (#) , n. (Min.) See under Calcite .

Aphrodisiac, Aphrodisiacal <Xpage=68>

Aph`ro*dis"i*ac (#) , Aph`ro*di*si"a*cal (#) , a. [Gr. <?/ pertaining to sensual love, fr. <?/. See Aphrodite .] Exciting venereal desire; provocative to venery.

Aphrodisiac <Xpage=68>

Aph`ro*dis"i*ac , n. That which (as a drug, or some kinds of food) excites to venery.

Aphrodisian <Xpage=68>

Aph`ro*dis"i*an (#) , a. [Gr. <?/.] Pertaining to Aphrodite or Venus. " Aphrodisian dames" [that is, courtesans].

C. Reade.

Aphrodite <Xpage=68>

Aph`ro*di"te (#) , n. [Gr. <?/.] 1. (Classic Myth.) The Greek goddess of love, corresponding to the Venus of the Romans.

2. (Zo\'94l.) A large marine annelid, covered with long, lustrous, golden, hairlike set\'91; the sea mouse.

3. (Zo\'94l.) A beautiful butterfly (Argunnis Aphrodite) of the United States.

Aphroditic <Xpage=68>

Aph`ro*dit"ic (#) , a. Venereal. [R.]

Dunglison.

Aphtha <Xpage=68>

Aph"tha (#) , n. [Sing. of Aphth\'91 .] (Med.) (a) One of the whitish specks called aphth\'91. (b) The disease, also called thrush.

Aphth\'91 <Xpage=68>

Aph"th\'91 (#) , n. pl. [L., fr. Gr. <?/ (mostly in pl. <?/, Hipp.) an eruption, thrush, fr. <?/ to set on fire, inflame.] (Med.) Roundish pearl-colored specks or flakes in the mouth, on the lips, etc., terminating in white sloughs. They are commonly characteristic of thrush.

Aphthoid <Xpage=68>

Aph"thoid , a. [ Aphtha + -oid .] Of the nature of aphth\'91; resembling thrush.

Aphthong <Xpage=68>

Aph"thong (?; 277) , n. [Gr. <?/ silent; <?/ priv. + <?/ voice, sound, fr. <?/ to sound.] A letter, or a combination of letters, employed in spelling a word, but in the pronunciation having no sound. -- Aph*thon"gal (#) , a.

Aphthous <Xpage=68>

Aph"thous (#) a. [Cf. F. aphtheux .] Pertaining to, or caused by, aphth\'91; characterized by apht\'91; as, aphthous ulcers; aphthous fever.

Aphyllous <Xpage=68>

Aph"yl*lous (#) , a. [Gr. <?/; <?/ priv. + <?/ leaf.] (Bot.) Destitute of leaves, as the broom rape, certain euphorbiaceous plants, etc.

Apiaceous <Xpage=68>

A`pi*a"ceous (#) , a. (Bot.) Umbelliferous.

Apian <Xpage=68>

A"pi*an (#) , a. Belonging to bees.

Apiarian <Xpage=68>

A`pi*a"ri*an (#) , a. Of or relating to bees.

Apiarist <Xpage=68>

A"pi*a*rist (#) , n. One who keeps an apiary.

Apiary <Xpage=68>

A"pi*a*ry (#) , n. [L. apiarium , fr. apis bee.] A place where bees are kept; a stand or shed for bees; a beehouse.

Apical <Xpage=68>

Ap"ic*al (#) , a. [L. apex , apicis , tip or summit.] At or belonging to an apex, tip, or summit.

Gray.

Apices <Xpage=68>

Ap"i*ces (#) , n. pl. See Apex .

Apician <Xpage=68>

A*pi"cian (#) , a. [L. Apicianus .] Belonging to Apicius, a notorious Roman epicure; hence applied to whatever is peculiarly refined or dainty and expensive in cookery.

H. Rogers.

Apicular <Xpage=68>

A*pic"u*lar , a. [NL. apiculus , dim. of L. apex , apicis .] Situated at, or near, the apex; apical.

Apiculate, Apiculated <Xpage=68>

A*pic"u*late (#) , A*pic"u*la`ted (#) , a. [See Apicular .] (Bot.) Terminated abruptly by a small, distinct point, as a leaf.

Apiculture <Xpage=68>

Ap"i*cul`ture (?; 135) , n. [L. apis bee + E. culture.] Rearing of bees for their honey and wax.

Apiece <Xpage=68>

A*piece" (#) , adv. [Pref. a- + piece .] Each by itself; by the single one; to each; as the share of each; as, these melons cost a shilling apiece . "Fined . . . a thousand pounds apiece ."

Hume.

Apieces <Xpage=68>

A*pie"ces (#) , adv. In pieces or to pieces. [Obs.] "Being torn apieces ."

Shak.

Apiked <Xpage=68>

A*pik"ed (#) , a. Trimmed. [Obs.]

Full fresh and new here gear apiked was. Chaucer.

Apiol <Xpage=68>

A"pi*ol (#) , n. [L. api um parsley + -ol .] (Med.) An oily liquid derived from parsley.

Apiologist <Xpage=68>

A`pi*ol"o*gist (#) , n. [L. apis bee + -logist (see -logy ).] A student of bees. [R.]

Emerson.

Apis <Xpage=68>

A"pis (#) , n. [L., bee.] (Zo\'94l.) A genus of insects of the order Hymenoptera, including the common honeybee ( Apis mellifica ) and other related species. See Honeybee .

Apish <Xpage=68>

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 <Xpage=68>

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

Apishness <Xpage=68>

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

Apitpat <Xpage=68>

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

Congreve.

Aplacental <Xpage=68>

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

Aplacentata <Xpage=68>

Ap`la*cen*ta"ta , n. pl. [Pref. a- not + placenta .] (Zo\'94l.) Mammals which have no placenta.

Aplacophora <Xpage=68>

Ap`la*coph"o*ra (#) , n. pl. [NL., fr. Gr. <?/ priv. + <?/ a flat cake + <?/ to bear.] (Zo\'94l.) A division of Amphineura in which the body is naked or covered with slender spines or set\'91, but is without shelly plates.

Aplanatic <Xpage=68>

Ap`la*nat"ic (#) , a. [Gr. <?/ 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 <Xpage=68>