AcÏcresce¶ (#), v. i. [L. accrescere. See Accrue.] 1. To accrue. [R.]

2. To increase; to grow. [Obs.]

Gillespie.

AcÏcres¶cence (#), n. [LL. accrescentia.] Continuous growth; an accretion. [R.]

The silent accrescence of belief from the unwatched depositions of a general, never contradicted hearsy.

Coleridge.

AcÏcres¶cent (#), a. [L. accrescens, Ïentis, p. pr. of accrescere; ad + crescere to grow. See Crescent.]

1. Growing; increasing.

Shuckford.

2. (Bot.) Growing larger after flowering.

Gray.

AcÏcrete¶ (#), v. i. [From L. accretus, p. p. of accrescere to increase.] 1. To grow together.

2. To adhere; to grow (to); to be added; Ð with to.

AcÏcrete¶, v. t. To make adhere; to add.

Earle.

AcÏcrete¶, a. 1. Characterized by accretion; made up; as, accrete matter.

2. (Bot.) Grown together.

Gray.

AcÏcre¶tion (#), n. [L. accretio, fr. accrescere to increase. Cf. Crescent, Increase, Accrue.]

1. The act of increasing by natural growth; esp. the increase of organic bodies by the internal accession of parts; organic growth.

Arbuthnot.

2. The act of increasing, or the matter added, by an accession of parts externally; an extraneous addition; as, an accretion of earth.

A mineral... augments not by grown, but by accretion.

Owen.

To strip off all the subordinate parts of his as a later accretion.

Sir G. C. Lewis.

3. Concretion; coherence of separate particles; as, the accretion of particles so as to form a solid mass.

4. A growing together of parts naturally separate, as of the fingers toes.

Dana.

5. (Law) (a) The adhering of property to something else, by which the owner of one thing becomes possessed of a right to another; generally, gain of land by the washing up of sand or sail from the sea or a river, or by a gradual recession of the water from the usual watermark. (b) Gain to an heir or legatee, failure of a coheir to the same succession, or a coÐlegatee of the same thing, to take his share.

Wharton. Kent.

AcÏcre¶tive (#), a. Relating to accretion; increasing, or adding to, by growth.

Glanvill.

AcÏcrim¶iÏnate (#), v. t. [L. acÏ (for ad to) + criminari.] To accuse of a crime. [Obs.] Ð AcÏcrim·iÏna¶tion (#), n. [Obs.]

AcÏcroach¶ (#), v. t. [OE. acrochen, accrochen, to obtain, OF. acrochier, F. accrocher; … (L. ad) + croc hook (E. crook).] 1. To hook, or draw to one's self as with a hook. [Obs.]

2. To usurp, as jurisdiction or royal prerogatives.

They had attempted to accroach to themselves royal power.

Stubbs.

AcÏcroach¶ment (#), n. [Cf. F. accrochement.] An encroachment; usurpation. [Obs.]

Bailey.

AcÏcru¶al (#), n. Accrument. [R.]

AcÏcrue¶ (#), v. i. [imp. & p. p. Accrued (#); p. pr. & vb. n. Accruing.] [See Accrue, n., and cf. Accresce, Accrete.] 1. To increase; to augment.

And though power failed, her courage did accrue.

Spenser.

2. To come to by way of increase; to arise or spring as a growth or result; to be added as increase, profit, or damage, especially as the produce of money lent. ½Interest accrues to principal.¸

Abbott.

The great and essential advantages accruing to society from the freedom of the press.

Junius.

AcÏcrue¶, n. [F. accr–, OF. acr??, p. p. of accro?tre, OF. acroistre to increase; L. ad + crescere to increase. Cf. Accretion, Crew. See Crescent.] Something that accrues; advantage accruing. [Obs.]

AcÏcru¶er (#), n. (Law) The act of accruing; accretion; as, title by accruer.

AcÏcru¶ment (#), n. The process of accruing, or that which has accrued; increase.

Jer. Taylor.

Ac·cuÏba¶tion (#), n. [L. accubatio, for accubatio, fr. accubare to recline; ad + cubare to lie down. See Accumb.] The act or posture of reclining on a couch, as practiced by the ancients at meals.

AcÏcumb¶ (#), v. i. [L. accumbere; ad + cumbere (only in compounds) to lie down.] To recline, as at table. [Obs.]

Bailey.

AcÏcum¶benÏcy (#), n. The state of being accumbent or reclining. [R.]

AcÏcum¶bent (#), a. 1. Leaning or reclining, as the ancient? did at their meals.

The Roman.. accumbent posture in eating.

Arbuthnot.

2. (Bot.) Lying against anything, as one part of a leaf against another leaf.

Gray.

Accumbent cotyledons have their edges placed against the caulicle.

Eaton.

AcÏcum¶bent, n. One who reclines at table.

AcÏcum¶ber (#), v. t. To encumber. [Obs.]

Chaucer.

AcÏcu¶muÏlate (#), v. t. [imp. & p. p. Accumulated (#); p. pr. & vb. n. Accumulating.] [L. accumulatus, p. p. of accumulare; ad + cumulare to heap. See Cumulate.] To heap up in a mass; to pile up; to collect or bring together; to amass; as, to accumulate a sum of money.

Syn. Ð To collect; pile up; store; amass; gather; aggregate; heap together; hoard.

p. 14

AcÏcu¶muÏlate (#), v. i. To grow or increase in quantity or number; to increase greatly.

Ill fares the land, to hastening ills a prey,

Where wealth accumulates, and men decay.

Goldsmith.

AcÏcu¶muÏlate (#), a. [L. accumulatus, p. p. of accumulare.] Collected; accumulated.

Bacon.

AcÏcu·muÏla¶tion (#), n. [L. accumulatio; cf. F. accumulation.] 1. The act of accumulating, the state of being accumulated, or that which is accumulated; as, an accumulation of earth, of sand, of evils, of wealth, of honors.

2. (Law) The concurrence of several titles to the same proof.

Accumulation of energy or power, the storing of energy by means of weights lifted or masses put in motion; electricity stored. Ð An accumulation of degrees (Eng. Univ.), the taking of several together, or at smaller intervals than usual or than is allowed by the rules.

AcÏcu¶muÏlaÏtive (#), a. Characterized by accumulation; serving to collect or amass; cumulative; additional. Ð AcÏcu¶muÏlaÏtiveÏly, adv. Ð AcÏcu¶muÏlaÏtiveÏness, n.

AcÏcu¶muÏla·tor (#), n. [L.] 1. One who, or that which, accumulates, collects, or amasses.

2. (Mech.) An apparatus by means of which energy or power can be stored, such as the cylinder or tank for storing water for hydraulic elevators, the secondary or storage battery used for accumulating the energy of electrical charges, etc.

3. A system of elastic springs for relieving the strain upon a rope, as in deepÐsea dredging.

Ac¶cuÏraÏcy (#; 277), n. [See Accurate.] The state of being accurate; freedom from mistakes, this exemption arising from carefulness; exact conformity to truth, or to a rule or model; precision; exactness; nicety; correctness; as, the value of testimony depends on its accuracy.

The professed end [of logic] is to teach men to think, to judge, and to reason, with precision and accuracy.

Reid.

The accuracy with which the piston fits the sides.

Lardner.

Ac¶cuÏrate (#), a. [L. accuratus, p. p. and a., fr. accurare to take care of; ad + curare to take care, cura care. See Cure.] 1. In exact or careful conformity to truth, or to some standard of requirement, the result of care or pains; free from failure, error, or defect; exact; as, an accurate calculator; an accurate measure; accurate expression, knowledge, etc.

2. Precisely fixed; executed with care; careful. [Obs.]

Those conceive the celestial bodies have more accurate influences upon these things below.

Bacon.

Syn. Ð Correct; exact; just; nice; particular. Ð Accurate, Correct, Exact, Precise. We speak of a thing as correct with reference to some rule or standard of comparison; as, a correct account, a correct likeness, a man of correct deportment. We speak of a thing as accurate with reference to the care bestowed upon its execution, and the increased correctness to be expected therefrom; as, an accurate statement, an accurate detail of particulars. We speak of a thing as exact with reference to that perfected state of a thing in which there is no defect and no redundance; as, an exact coincidence, the exact truth, an exact likeness. We speak of a thing as precise when we think of it as strictly conformed to some rule or model, as if cut down thereto; as a precise conformity instructions; precisely right; he was very precise in giving his directions.

Ac¶cuÏrateÏly, adv. In an accurate manner; exactly; precisely; without error or defect.

Ac¶cuÏrateÏness, n. The state or quality of being accurate ; accuracy; exactness; nicety; precision.

AcÏcurse¶ (#), v. t. [OE. acursien, acorsien; pref. a + cursien to curse. See Curse.] To devote to destruction; to imprecate misery or evil upon; to curse; to execrate; to anathematize.

And the city shall be accursed.

Josh. vi. 17.

Thro' you, my life will be accurst.

Tennyson.

AcÏcursed¶ (#), AcÏcurst¶ (#), } p. p. & a. Doomed to destruction or misery; cursed; hence, bad enough to be under the curse; execrable; detestable; exceedingly hateful; Ð as, an accursed deed. Shak. Ð AcÏcurs¶edÏly, adv. Ð AcÏcurs¶edÏness, n.

AcÏcus¶aÏble (#), a. [L. accusabilis: cf. F. accusable.] Liable to be accused or censured; chargeable with a crime or fault; blamable; Ð with of.

AcÏcus¶al (#), n. Accusation. [R.]

Byron.

AcÏcus¶ant (#), n. [L. accusans, p. pr. of accusare: cf. F. accusant.] An accuser.

Bp. Hall.

Ac·cuÏsa¶tion (#), n. [OF. acusation, F. accusation, L. accusatio, fr. accusare. See Accuse.]

1. The act of accusing or charging with a crime or with a lighter offense.

We come not by the way of accusation

To taint that honor every good tongue blesses.

Shak.

2. That of which one is accused; the charge of an offense or crime, or the declaration containing the charge.

[They] set up over his head his accusation.

Matt. xxvii. 37.

Syn. Ð Impeachment; crimination; censure; charge.

AcÏcu·saÏti¶val (#), a. Pertaining to the accusative case.

AcÏcu¶saÏtive (#), a. [F. accusatif, L. accusativus (in sense 2), fr. accusare. See Accuse.]

1. Producing accusations; accusatory. ½This hath been a very accusative age.¸

Sir E. Dering.

2. (Gram.) Applied to the case (as the fourth case of Latin and Greek nouns) which expresses the immediate object on which the action or influence of a transitive verb terminates, or the immediate object of motion or tendency to, expressed by a preposition. It corresponds to the objective case in English.

AcÏcu¶saÏtive, n. (Gram.) The accusative case.

AxÏcu¶saÏtiveÏly, adv. 1. In an accusative manner.

2. In relation to the accusative case in grammar.

AcÏcu·saÏto¶riÏal (#), a. Accusatory.

AcÏcu·saÏto¶riÏalÏly, adv. By way accusation.

AcÏcu¶saÏtoÏry (#), a. [L. accusatorius, fr. accusare.] Pertaining to, or containing, an accusation; as, an accusatory libel.

Grote.

AcÏcuse¶ (#), n. Accusation. [Obs.]

Shak.

AcÏcuse¶, v. t. [imp. & p. p. Accused (#); p. pr. & vb. n. Accusing.] [OF. acuser, F. accuser, L. accusare, to call to account, accuse; ad + causa cause, lawsuit. Cf. Cause.] 1. To charge with, or declare to have committed, a crime or offense; (Law) to charge with an offense, judicially or by a public process; Ð with of; as, to accuse one of a high crime or misdemeanor.

Neither can they prove the things whereof they now accuse me.

Acts xxiv. 13.

We are accused of having persuaded Austria and Sardinia to lay down their arms.

Macaulay.

2. To charge with a fault; to blame; to censure.

Their thoughts the meanwhile accusing or else excusing one another.

Rom. ii. 15.

3. To betray; to show. [L.]

Sir P. Sidney.

Syn. Ð To charge; blame; censure; reproach; criminate; indict; impeach; arraign. Ð To Accuse, Charge, Impeach, Arraign. These words agree in bringing home to a person the imputation of wrongdoing. To accuse is a somewhat formal act, and is applied usually (though not exclusively) to crimes; as, to accuse of treason. Charge is the most generic. It may refer to a crime, a dereliction of duty, a fault, etc.; more commonly it refers to moral delinquencies; as, to charge with dishonesty or falsehood. To arraign is to bring (a person) before a tribunal for trial; as, to arraign one before a court or at the bar public opinion. To impeach is officially to charge with misbehavior in office; as, to impeach a minister of high crimes. Both impeach and arraign convey the idea of peculiar dignity or impressiveness.

AcÏcused¶ (#), a. Charged with offense; as, an accused person.

Commonly used substantively; as, the accused, one charged with an offense; the defendant in a criminal case.

AcÏcuse¶ment (#), n. [OF. acusement. See Accuse.] Accusation. [Obs.]

Chaucer.

AcÏcus¶er (#), n. [OE. acuser, accusour; cf. OF. acuseor, fr. L. accusator, fr. accusare.] One who accuses; one who brings a charge of crime or fault.

AcÏcus¶ingÏly, adv. In an accusing manner.

AcÏcus¶tom (#), v. t. [imp. & p. p. Accustomed (#); p. pr. & vb. n. Accustoming.] [OF. acostumer, acustumer, F. accoutumer; ? (L. ad) + OF. costume, F. coutume, custom. See Custom.] To make familiar by use; to habituate, familiarize, or inure; Ð with to.

I shall always fear that he who accustoms himself to fraud in little things, wants only opportunity to practice it in greater.

Adventurer.

Syn. Ð To habituate; inure; exercise; train.

AcÏcus¶tom, v. i. 1. To be wont. [Obs.]

Carew.

2. To cohabit. [Obs.]

We with the best men accustom openly; you with the basest commit private adulteries.

Milton.

AcÏcus¶tom, n. Custom. [Obs.]

Milton.

AcÏcus¶tomÏaÏble (#), a. Habitual; customary; wonted. ½Accustomable goodness.¸

Latimer.

AcÏcus¶tomÏaÏbly, adv. According to custom; ordinarily; customarily.

Latimer.

AcÏcus¶tomÏance (#), n. [OF. accoustumance, F. accoutumance.] Custom; habitual use. [Obs.]

Boyle.

AcÏcust¶tomÏaÏriÏly (#), adv. Customarily. [Obs.]

AcÏcus¶tomÏaÏry (#), a. Usual; customary. [Archaic]

Featley.

AcÏcus¶tomed (#), a. 1. Familiar through use; usual; customary. ½An accustomed action.¸

Shak.

2. Frequented by customers. [Obs.] ½A well accustomed shop.¸

Smollett.

AcÏcus¶tomedÏness, n. Habituation.

Accustomedness to sin hardens the heart.

Bp. Pearce.

Ace (#), n.; pl. Aces (#). [OE. as, F. as, fr. L. as, assis, unity, copper coin, the unit of coinage. Cf. As.]

1. A unit; a single point or spot on a card or die; the card or die so marked; as, the ace of diamonds.

2. Hence: A very small quantity or degree; a particle; an atom; a jot.

I 'll not wag an ace further.

Dryden.

To bate an ace, to make the least abatement. [Obs.] Ð Within an ace of, very near; on the point of.

W. Irving.

AÏcel¶daÏma (#), n. [Gr. ?, fr. Syr. ?k?l dam? the field of blood.] The potter's field, said to have lain south of Jerusalem, purchased with the bribe which Judas took for betraying his Master, and therefore called the field of blood. Fig.: A field of bloodshed.

The system of warfare... which had already converted immense tracts into one universal aceldama.

De Quincey.

AÏcen¶tric (#), a. [Gr. ? priv. + ? a point, a center.] Not centered; without a center.

Ac¶eÏphal (#), n. [Gr. ?; ? priv. + ? head: cf. F. ac‚phale, LL. acephalus.] (Zo”l.) One of the Acephala.

Ø AÏceph¶aÏla (#), n. pl. [NL., fr. Gr. ?, adj. neut. pl., headless. See Acephal.] (Zo”l.) That division of the Mollusca which includes the bivalve shells, like the clams and oysters; Ð so called because they have no evident head. Formerly the group included the Tunicata, Brachiopoda, and sometimes the Bryozoa. See Mollusca.

AÏceph¶aÏlan (#), n. Same as Acephal.

AÏceph¶aÏlan, a. (Zo”l.) Belonging to the Acephala.

Ø AÏceph¶aÏli (#), n. pl. [LL., pl. of acephalus. See Acephal.] 1. A fabulous people reported by ancient writers to have heads.

2. (Eccl. Hist.) (a) A Christian sect without a leader. (b) Bishops and certain clergymen not under regular diocesan control.

3. A class of levelers in the time of K. Henry I.

AÏceph¶aÏlist (#), n. One who acknowledges no head or superior.

Dr. Gauden.

AÏceph¶aÏloÏcyst (#), n. [Gr. ? without a head + ? bladder.] (Zo”l.) A larval entozo”n in the form of a subglobular or oval vesicle, or hy datid, filled with fluid, sometimes found in the tissues of man and the lower animals; Ð so called from the absence of a head or visible organs on the vesicle. These cysts are the immature stages of certain tapeworms. Also applied to similar cysts of different origin.

AÏceph·aÏloÏcys¶tic (#), a. Pertaining to, or resembling, the acephalocysts.

AÏceph¶aÏlous (#), a. [See Acephal.]

1. Headless.

2. (Zo”l.) Without a distinct head; Ð a term applied to bivalve mollusks.

3. (Bot.) Having the style spring from the base, instead of from the apex, as is the case in certain ovaries.

4. Without a leader or chief.

5. Wanting the beginning.

A false or acephalous structure of sentence.

De Quincey.

6. (Pros.) Deficient and the beginning, as a line of poetry.

Brande.

Ac¶erÏate (#), n. [See Aceric.] (Chem.) A combination of aceric acid with a salifiable base.

Ac¶erÏate, a. Acerose; needleÏshaped.

AÏcerb¶ (#), a. [L. acerbus, fr. acer sharp: cf. F. acerbe. See Acrid.] Sour, bitter, and harsh to the taste, as unripe fruit; sharp and harsh.

AÏcerb¶ate (#), v. t. [L. acerbatus, p. p. of acerbare, fr. acerbus.] To sour; to imbitter; to irritate.

AÏcerb¶ic (#), a. Sour or severe.

AÏcerb¶iÏtude (#), n. [L. acerbitudo, fr. acerbus.] Sourness and harshness. [Obs.]

Bailey.

AÏcerb¶iÏty (#), n. [F. acerbit‚, L. acerbitas, fr. acerbus. See Acerb.] 1. Sourness of taste, with bitterness and astringency, like that of unripe fruit.

2. Harshness, bitterness, or severity; as, acerbity of temper, of language, of pain.

Barrow.

AÏcer¶ic (#), a. [L. acer maple.] Pertaining to, or obtained from, the maple; as, aceric acid.

Ure.

Ac¶erÏose· (#), a. [(a) L. acerosus chaffy, fr. acus, gen. aceris, chaff; (b) as if fr. L. acus needle: cf. F. ac‚reux.] (Bot.) (a) Having the nature of chaff; chaffy. (b) NeedleÐshaped, having a sharp, rigid point, as the leaf of the pine.

Ac¶erÏous (#), a. Same as Acerose.

Ac¶erÏous, a. [Gr. <a> priv. + <keras> a horn.] (Zo”l.) (a) Destitute of tentacles, as certain mollusks. (b) Without antenn‘, as some insects.

AÏcer¶val (#), a. [L. acervalis, fr. acervus heap.] Pertaining to a heap. [Obs.]

AÏcer¶vate (#), v. t. [L. acervatus, p. p. of acervare to heap up, fr. acervus heap.] To heap up. [Obs.]

AÏcer¶vate (#), a. Heaped, or growing in heaps, or closely compacted clusters.

Ac·erÏva¶tion (#), n. [L. acervatio.] A heaping up; accumulation. [R.]

Johnson.

AÏcer¶vaÏtive (#), a. Heaped up; tending to heap up.

AÏcer¶vose (#), a. Full of heaps. [R.]

Bailey.

AÏcer¶vuÏline (#), a. Resembling little heaps.

AÏces¶cence (#), AÏces¶cenÏcy (#), } n. [Cf. F. acescence. See Acescent.] The quality of being acescent; the process of acetous fermentation; a moderate degree of sourness.

Johnson.

AÏces¶cent (#), a. [L. acescens, Ïentis, p. pr. of acescere to turn sour; inchoative of acere to be sour: cf. F. acescent. See Acid.] Turning sour; readily becoming tart or acid; slightly sour.

Faraday.

AÏces¶cent, n. A substance liable to become sour.

Ac¶eÏtaÏble (#), n. An acetabulum; or about one eighth of a pint. [Obs.]

Holland.

Ac·eÏtab¶uÏlar (#), a. CupÏshaped; saucerÐshaped; acetabuliform.

Ø Ac·eÏtab·uÏlif¶eÏra (#), n. pl. [NL. See Acetabuliferous.] (Zo”l.) The division of Cephalopoda in which the arms are furnished with cupÐshaped suckers, as the cuttlefishes, squids, and octopus; the Dibranchiata. See Cephalopoda.

Ac·eÏtab·uÏlif¶erÏous (#), a. [L. acetablum a little cup + Ïferous.] Furnished with fleshy cups for adhering to bodies, as cuttlefish, etc.

Ac·eÏtab¶uÏliÏform (#), a. [L. acetabulum + Ïform.] (Bot.) Shaped like a shallow; saucerÐshaped; as, an acetabuliform calyx.

Gray.

Ø Ac·eÏtab¶uÏlum (#), n. [L., a little saucer for vinegar, fr. acetum vinegar, fr. acere to be sour.]

1. (Rom. Antiq.) A vinegar cup; socket of the hip bone; a measure of about one eighth of a pint, etc.

2. (Anat.) (a) The bony cup which receives the head of the thigh bone. (b) The cavity in which the leg of an insect is inserted at its articulation with the body. (c) A sucker of the sepia or cuttlefish and related animals. (d) The large posterior sucker of the leeches. (e) One of the lobes of the placenta in ruminating animals.

Ac¶eÏtal (#), n. [Aceic + alcohol.] (Chem.) A limpid, colorless, inflammable liquid from the slow oxidation of alcohol under the influence of platinum black.

Ac·etÏal¶deÏhyde (#), n. Acetic aldehyde. See Aldehyde.

Ac·etÏam¶ide (#), n. [Acetyl + amide.] (Chem.) A white crystalline solid, from ammonia by replacement of an equivalent of hydrogen by acetyl.

Ac·etÏan¶iÏlide (#), n. [Acetyl + anilide.] (Med.) A compound of aniline with acetyl, used to allay fever or pain; Ð called also antifebrine.

Ac·eÏta¶riÏous (#), a. [L. acetaria, n. pl., salad, fr. acetum vinegar, fr. acere to be sour.] Used in salads; as, acetarious plants.

p. 15

Ac¶eÏtaÏry (#), n. [L. acetaria salad plants.] An acid pulp in certain fruits, as the pear.

Grew.

Ac¶eÏtate (#), n. [L. acetum vinegar, fr. acere to be sour.] (Chem.) A salt formed by the union of acetic acid with a base or positive radical; as, acetate of lead, acetate of potash.

Ac¶eÏta·ted (#), a. Combined with acetic acid.

AÏce¶tic (#; 277), a. [L. acetum vinegar, fr. acere to be sour.] (Chem.) (a) Of a pertaining to vinegar; producing vinegar; producing vinegar; as, acetic fermentation. (b) Pertaining to, containing, or derived from, acetyl, as acetic ether, acetic acid. The latter is the acid to which the sour taste of vinegar is due.

AÏcet·iÏfiÏca¶tion (#), n. The act of making acetous or sour; the process of converting, or of becoming converted, into vinegar.

AÏcet¶iÏfi·er (#), n. An apparatus for hastening acetification.

Knight.

AÏcet¶iÏfy (#), v. t. [imp. & p. p. Acetified (#); p. pr. & vb. n. Acetifying (#).] [L. acetum vinegar + Ïfly.] To convert into acid or vinegar.

AÏcet¶iÏfy, v. i. To turn acid.

Encyc. Dom. Econ.

Ac·eÏtim¶eÏter (#), n. [L. acetum vinegar + Ïmeter: cf. F. ac‚timŠtre.] An instrument for estimating the amount of acetic acid in vinegar or in any liquid containing acetic acid.

Ac·eÏtim¶eÏtry (#), n. The act or method of ascertaining the strength of vinegar, or the proportion of acetic acid contained in it.

Ure.

Ac¶eÏtin (#), n. (Chem.) A combination of acetic acid with glycerin.

Brande & C.

Ac¶eÏtize (#), v. i. To acetify. [R.]

Ac·eÏtom¶eÏter (#), n. Same as Acetimeter.

Brande & C.

Ac¶eÏtone (#), n. [See Acetic.] (Chem.) A volatile liquid consisting of three parts of carbon, six of hydrogen, and one of oxygen; pyroacetic spirit, Ð obtained by the distillation of certain acetates, or by the destructive distillation of citric acid, starch, sugar, or gum, with quicklime.

µ The term in also applied to a number of bodies of similar constitution, more frequently called ketones. See Ketone.

Ac·eÏton¶ic (#), a. Of or pertaining to acetone; as, acetonic bodies.

Ac¶eÏtose (#), a. Sour like vinegar; acetous.

Ac·eÏtos¶iÏty (#), n. [LL. acetositas. See Acetous.] The quality of being acetous; sourness.

AÏce¶tous (#; 277), a. [L. acetum vinegar, fr. acere to be sour.] 1. Having a sour taste; sour; acid. ½An acetous spirit.¸ Boyle. ½A liquid of an acetous kind.¸

Bp. Lowth.

2. Causing, or connected with, acetification; as, acetous fermentation.

Acetous acid, a name formerly given to vinegar<-- which contains acetic acid -->.

Ac¶eÏtyl (#), n. [L. acetum vinegar + Gr. ? substance. See Ïyl.] (Chem.) A complex, hypothetical radical, composed of two parts of carbon to three of hydrogen and one of oxygen. Its hydroxide is acetic acid.

AÏcet¶yÏlene (#), n. (Chem.) A gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor, and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on calcium carbide. Its light is very brilliant.

Watts.

Ach, Ache } (#), n. [F. ache, L. apium parsley.] A name given to several species of plants; as, smallage, wild celery, parsley. [Obs.]

Holland.

AÏch‘¶an (#), AÏcha¶ian (#) } a. [L. Achaeus, Achaius; Gr. ?.] Of or pertaining to Achaia in Greece; also, Grecian. Ð n. A native of Achaia; a Greek.

Ø AÏchar¶neÏment (#), n. [F.] Savage fierceness; ferocity.

Ach¶ate (#), n. An agate. [Obs.]

Evelyn.

AÏchate¶ (#), n. [F. achat purchase. See Cates.]

1. Purchase; bargaining. [Obs.]

Chaucer.

2. pl. Provisions. Same as Cates. [Obs.]

Spenser.

Ø Ach·aÏti¶na (#), n. [NL., from Gr. ? agate.] (Zo”l.) A genus of land snails, often large, common in the warm parts of America and Africa.

AÏchaÏtour¶ (#), n. [See Cater.] Purveyor; acater. [Obs.]

Chaucer.

Ache (#), n. [OE. ache, AS. ‘ce, ece, fr. acan to ache. See Ache, v. i.] Continued pain, as distinguished from sudden twinges, or spasmodic pain. ½Such an ache in my bones.½

Shak.

µ Often used in composition, as, a headache, an earache, a toothache.

Ache (#), v. i. [imp. & p. p. Ached (#); p. pr. & vb. n. Aching (#).] [OE. aken, AS. acan, both strong verbs, AS. acan, imp. ?c, p. p. acen, to ache; perh. orig. to drive, and akin to agent.] To suffer pain; to have, or be in, pain, or in continued pain; to be distressed. ½My old bones ache.¸

Shak.

The sins that in your conscience ache.

Keble.

AÏche¶an (#), a & n. See Ach‘an, Achaian.

AÏchene¶ (#), AÏche¶niÏum (#) } n. [Gr. ? priv. + ? to gape.] (Bot.) A small, dry, indehiscent fruit, containing a single seed, as in the buttercup; Ð called a naked seed by the earlier botanists. [Written also akene and ach‘nium.]

AÏche¶niÏal (#), a. Pertaining to an achene.

Ach¶eÏron (#), n. [L., fr. Gr. ?.] (Myth.) A river in the Nether World or infernal regions; also, the infernal regions themselves. By some of the English poets it was supposed to be a flaming lake or gulf.

Shak.

Ach·eÏron¶tic (#), a. Of or pertaining to Acheron; infernal; hence, dismal, gloomy; moribund.

AÏchiev¶aÏble (#), a. Capable of being achieved.

Barrow.

AÏchiev¶ance (#), n. [Cf. OF. achevance.] Achievement. [Obs.]

Sir T. Elyot.

Webster's Unabridged Dictionary (1st 100 Pages) · 第 8 / 61 段