Chapter 62

A*syn"ar*tete` (&?;), a. [Gr. &?; not united, disconnected; 'a priv. + &?; with + &?; to fasten to.] Disconnected; not fitted or adjusted. -- A*syn"ar*tet"ic (&?;), a.

Asynartete verse (Pros.), a verse of two members, having different rhythms; as when the first consists of iambuses and the second of trochees.

As`yn*det"ic (&?;), a. [See Asyndeton.] Characterized by the use of asyndeton; not connected by conjunctions. -- As`yn*det"ic*al*ly, adv.

A*syn"de*ton (&?;), n. [L., fr. Gr. &?;, fr. &?; unconnected; 'a priv. + &?; bound together, fr. &?;; &?; with + &?; to bind.] (Rhet.) A figure which omits the connective; as, I came, I saw, I conquered. It stands opposed to polysyndeton.

A*sys"to*le (&?;), n. [Pref. a- not + systole.] (Physiol.) A weakening or cessation of the contractile power of the heart.

A*sys"to*lism (&?;), n. The state or symptoms characteristic of asystole.

At (&?;), prep. [AS. æt; akin to OHG. az, Goth., OS., & Icel. at, Sw. åt, Dan. & L. ad.] Primarily, this word expresses the relations of presence, nearness in place or time, or direction toward; as, at the ninth hour; at the house; to aim at a mark. It is less definite than in or on; at the house may be in or near the house. From this original import are derived all the various uses of at. It expresses: -

1. A relation of proximity to, or of presence in or on, something; as, at the door; at your shop; at home; at school; at hand; at sea and on land.

2. The relation of some state or condition; as, at war; at peace; at ease; at your service; at fault; at liberty; at risk; at disadvantage.

3. The relation of some employment or action; occupied with; as, at engraving; at husbandry; at play; at work; at meat (eating); except at puns.

4. The relation of a point or position in a series, or of degree, rate, or value; as, with the thermometer at 80°; goods sold at a cheap price; a country estimated at 10,000 square miles; life is short at the longest.

5. The relations of time, age, or order; as, at ten o'clock; at twenty-one; at once; at first.

6. The relations of source, occasion, reason, consequence, or effect; as, at the sight; at this news; merry at anything; at this declaration; at his command; to demand, require, receive, deserve, endure at your hands.

7. Relation of direction toward an object or end; as, look at it; to point at one; to aim at a mark; to throw, strike, shoot, wink, mock, laugh at any one.

At all, At home, At large, At last, At length, At once, etc. See under All, Home, Large, Last (phrase and syn.), Length, Once, etc. -- At it, busily or actively engaged. -- At least. See Least and However. -- At one. See At one, in the Vocabulary.

Syn. -- In, At. When reference to the interior of any place is made prominent in is used. It is used before the names of countries and cities (esp. large cities); as, we live in America, in New York, in the South. At is commonly employed before names of houses, institutions, villages, and small places; as, Milton was educated at Christ's College; money taken in at the Customhouse; I saw him at the jeweler's; we live at Beachville. At may be used before the name of a city when it is regarded as a mere point of locality. "An English king was crowned at Paris." Macaulay. "Jean Jacques Rousseau was born at Geneva, June, 28, 1712." J. Morley. In regard to time, we say at the hour, on the day, in the year; as, at 9 o'clock, on the morning of July 5th, in the year 1775.

At"a*bal (&?;), n. [Sp. atabal, fr. Ar. at-tabl the drum, tabala to beat the drum. Cf. Tymbal.] A kettledrum; a kind of tabor, used by the Moors. Croly.

A*tac"a*mite (&?;), n. [From the desert of Atacama, where found.] (Min.) An oxychloride of copper, usually in emerald-green prismatic crystals.

At`aft"er (&?;), prep. After. [Obs.] Chaucer.

At"a*ghan (&?;), n. See Yataghan.

A*take" (&?;), v. t. To overtake. [Obs.] Chaucer.

At"a*man (&?;), n. [Russ. ataman': cf. Pol. hetman, G. hauptmann headman, chieftain. Cf. Hetman.] A hetman, or chief of the Cossacks.

{ ||At`a*rax"i*a (&?;), At"a*rax`y (&?;), } n. [NL. ataraxia, Gr. 'ataraxi`a; 'a priv. + tarakto`s disturbed, tara`ssein to disturb.] Perfect peace of mind, or calmness.

{ A*taunt" (&?;), A*taunt"o (&?;), } adv. [F. autant as much (as possible).] (Naut.) Fully rigged, as a vessel; with all sails set; set on end or set right.

A*tav"ic (&?;), a. [Cf. F. atavique.] Pertaining to a remote ancestor, or to atavism.

At"a*vism (&?;), n. [L. atavus an ancestor, fr. avus a grandfather.] (a) The recurrence, or a tendency to a recurrence, of the original type of a species in the progeny of its varieties; resemblance to remote rather than to near ancestors; reversion to the original form. (b) (Biol.) The recurrence of any peculiarity or disease of an ancestor in a subsequent generation, after an intermission for a generation or two.

Now and then there occur cases of what physiologists call atavism, or reversion to an ancestral type of character. J. Fiske

{ ||A*tax"i*a (&?;), At"ax*y (&?;), } n. [NL. ataxia, Gr. &?;, fr. &?; out of order; 'a priv. + &?; ordered, arranged, &?; to put in order: cf. F. ataxie.] 1. Disorder; irregularity. [Obs.] Bp. Hall.

2. (Med.) (a) Irregularity in disease, or in the functions. (b) The state of disorder that characterizes nervous fevers and the nervous condition.

Locomotor ataxia. See Locomotor.

A*tax"ic (&?;), a. [Cf. F. ataxique. See Ataxia.] (Med.) Characterized by ataxy, that is, (a) by great irregularity of functions or symptoms, or (b) by a want of coordinating power in movements.

Ataxic fever, malignant typhus fever. Pinel.

At`a*zir" (&?;), n. [OF., fr. Ar. al- tasr influence.] (Astron.) The influence of a star upon other stars or upon men. [Obs.] Chaucer.

Ate (?; 277), the preterit of Eat.

A"te (&?;), n. [Gr. &?;.] (Greek. Myth.) The goddess of mischievous folly; also, in later poets, the goddess of vengeance.

-ate (&?;). [From the L. suffix -atus, the past participle ending of verbs of the 1st conj.] 1. As an ending of participles or participial adjectives it is equivalent to - ed; as, situate or situated; animate or animated.

2. As the ending of a verb, it means to make, to cause, to act, etc.; as, to propitiate (to make propitious); to animate (to give life to).

3. As a noun suffix, it marks the agent; as, curate, delegate. It also sometimes marks the office or dignity; as, tribunate.

4. In chemistry it is used to denote the salts formed from those acids whose names end -ic (excepting binary or halogen acids); as, sulphate from sulphuric acid, nitrate from nitric acid, etc. It is also used in the case of certain basic salts.

A*tech"nic (&?;), a. [Pref. a- not + technic.] Without technical or artistic knowledge.

Difficult to convey to the atechnic reader. Etching & Engr.

||At"e*les (&?;), n. [Gr. &?; incomplete; 'a priv. + &?; completion.] (Zoöl.) A genus of American monkeys with prehensile tails, and having the thumb wanting or rudimentary. See Spider monkey, and Coaita.

||A`te*lier" (&?;) n. [F.] A workshop; a studio.

A*tel"lan (&?;), a. [L. Atellanus, fr. Atella, an ancient town of the Osci, in Campania.] Of or pertaining to Atella, in ancient Italy; as, Atellan plays; farcical; ribald. -- n. A farcical drama performed at Atella.

A*thal"a*mous (&?;), a. [Gr. 'a priv. + &?; nuptial bed.] (Bot.) Not furnished with shields or beds for the spores, as the thallus of certain lichens.

Ath"a*maunt (&?;), n. Adamant. [Obs.]

Written in the table of athamaunt. Chaucer.

Ath`a*na"sian (?; 277), a. Of or pertaining to Athanasius, bishop of Alexandria in the 4th century.

Athanasian creed, a formulary, confession, or exposition of faith, formerly supposed to have been drawn up by Athanasius; but this opinion is now rejected, and the composition is ascribed by some to Hilary, bishop of Arles (5th century). It is a summary of what was called the orthodox faith.

Ath"a*nor (&?;), n. [F., fr. Ar. at- tannr, fr. Heb. tannr an oven or furnace.] A digesting furnace, formerly used by alchemists. It was so constructed as to maintain uniform and durable heat. Chambers.

||Ath`e*ca"ta (&?;), n. pl. [NL., fr. Gr. 'a priv. + &?; chest, box.] (Zoöl.) A division of Hydroidea in which the zooids are naked, or not inclosed in a capsule. See Tubularian.

A"the*ism (&?;), n. [Cf. F. athéisme. See Atheist.] 1. The disbelief or denial of the existence of a God, or supreme intelligent Being.

Atheism is a ferocious system, that leaves nothing above us to excite awe, nor around us to awaken tenderness. R. Hall.

Atheism and pantheism are often wrongly confounded. Shipley.

2. Godlessness.

A"the*ist, n. [Gr. &?; without god; 'a priv. + &?; god: cf. F. athéiste.] 1. One who disbelieves or denies the existence of a God, or supreme intelligent Being.

2. A godless person. [Obs.]

Syn. -- Infidel; unbeliever.

See Infidel.

{ A`the*is"tic (&?;), A`the*is"tic*al (&?;), } a. 1. Pertaining to, implying, or containing, atheism; -- applied to things; as, atheistic doctrines, opinions, or books.

Atheistical explications of natural effects. Barrow.

2. Disbelieving the existence of a God; impious; godless; -- applied to persons; as, an atheistic writer. -- A`the*is"tic*al*ly, adv. -- A`the*is"tic*al*ness, n.

A"the*ize (&?;), v. t. To render atheistic or godless. [R.]

They endeavored to atheize one another. Berkeley.

A"the*ize, v. i. To discourse, argue, or act as an atheist. [R.] -- A"the*i`zer (&?;), n. Cudworth.

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Ath"el*ing (th"l*ng), n. [AS. æðeling noble, fr. æðele noble, akin to G. adel nobility, edel noble. The word æðel, E. ethel, is in many AS. proper names, as Ethelwolf, noble wolf; Ethelbald, noble bold; Ethelbert, noble bright.] An Anglo-Saxon prince or nobleman; esp., the heir apparent or a prince of the royal family. [Written also Adeling and Ætheling.]

Ath`e*ne"um, Ath`e*næ"um (&?;), n.; pl. E. Atheneums (&?;), L. Athenæa (&?;). [L. Athenaeum, Gr. 'Aqhn`aion a temple of Minerva at Athens, fr. 'Aqhna^, contr. fr. 'Aqhna`a, 'Aqhnai`a, in Homer 'Aqh`nh, 'Aqhnai`n, Athene (called Minerva by the Romans), the tutelary goddess of Athens.] 1. (Gr. Antiq.) A temple of Athene, at Athens, in which scholars and poets were accustomed to read their works and instruct students.

2. A school founded at Rome by Hadrian.

3. A literary or scientific association or club.

4. A building or an apartment where a library, periodicals, and newspapers are kept for use.

A*the"ni*an (&?;), a. [Cf. F. Athénien.] Of or pertaining to Athens, the metropolis of Greece. -- n. A native or citizen of Athens.

A`the*o*log"ic*al (&?;), a. Opposed to theology; atheistic. Bp. Montagu.

A`the*ol"o*gy (&?;), n. [Pref. a- not + theology.] Antagonism to theology. Swift.

A"the*ous (&?;), a. [Gr. &?; without God. See Atheist.] 1. Atheistic; impious. [Obs.] Milton.

2. Without God, neither accepting nor denying him.

I should say science was atheous, and therefore could not be atheistic. Bp. of Carlisle.

Ath"er*ine (&?;), n. [NL. atherina, fr. Gr. &?; a kind of smelt.] (Zoöl.) A small marine fish of the family Atherinidæ, having a silvery stripe along the sides. The European species (Atherina presbyter) is used as food. The American species (Menidia notata) is called silversides and sand smelt. See Silversides.

A*ther"man*cy (*thr"mn*s), n. [See Athermanous.] Inability to transmit radiant heat; impermeability to heat. Tyndall.

A*ther"ma*nous (&?;), a. [Gr. 'a priv. + qermai`nein to heat, qe`rma heat: cf. F. athermane.] (Chem.) Not transmitting heat; -- opposed to diathermanous.

A*ther"mous (&?;), a. (Chem.) Athermanous.

Ath"er*oid (&?;), a. [Gr. &?;, &?;, a beard, or an ear, of grain + -oid.] Shaped like an ear of grain.

||Ath`e*ro"ma (&?;), n. [L., fr. Gr. &?;, &?;, fr. &?; gr&?;ats, meal.] (Med.) (a) An encysted tumor containing curdy matter. (b) A disease characterized by thickening and fatty degeneration of the inner coat of the arteries.

Ath`e*rom"a*tous (&?;), a. (Med.) Of, pertaining to, or having the nature of, atheroma. Wiseman.

||Ath`e*to"sis (&?;), n. [NL., fr. Gr. &?; not fixed; 'a priv. + &?; to set.] (Med.) A variety of chorea, marked by peculiar tremors of the fingers and toes.

A*think" (&?;), v. t. To repent; to displease; to disgust. [Obs.] Chaucer.

A*thirst" (&?;), a. [OE. ofthurst, AS. ofpyrsted, p. p. of ofpyrstan; pref. of-, intensive + pyrstan to thirst. See Thirst.] 1. Wanting drink; thirsty.

2. Having a keen appetite or desire; eager; longing. "Athirst for battle." Cowper.

Ath"lete (&?;), n. [L. athleta, Gr. &?; prizefighter, fr. &?; to contend for a prize, &?;, Hom. &?;, contest, &?; prize; fr. the same root as E. wed: cf. F. athlète.] 1. (Antiq.) One who contended for a prize in the public games of ancient Greece or Rome.

2. Any one trained to contend in exercises requiring great physical agility and strength; one who has great activity and strength; a champion.

3. One fitted for, or skilled in, intellectual contests; as, athletes of debate.

Ath`let"ic (&?;), a. [L. athleticus, Gr. &?;. See Athlete.] 1. Of or pertaining to athletes or to the exercises practiced by them; as, athletic games or sports.

2. Befitting an athlete; strong; muscular; robust; vigorous; as, athletic Celts. "Athletic soundness." South. -- Ath*let"ic*al*ly (&?;), adv.

Ath*let"i*cism (&?;), n. The practice of engaging in athletic games; athletism.

Ath*let"ics (&?;), n. The art of training by athletic exercises; the games and sports of athletes.

Ath"le*tism (&?;), n. The state or practice of an athlete; the characteristics of an athlete.

A*thwart" (&?;), prep. [Pref. a- + thwart.] 1. Across; from side to side of.

Athwart the thicket lone. Tennyson.

2. (Naut.) Across the direction or course of; as, a fleet standing athwart our course.

Athwart hawse, across the stem of another vessel, whether in contact or at a small distance. -- Athwart ships, across the ship from side to side, or in that direction; -- opposed to fore and aft.

A*thwart", adv. 1. Across, especially in an oblique direction; sidewise; obliquely.

Sometimes athwart, sometimes he strook him straight. Spenser.

2. Across the course; so as to thwart; perversely.

All athwart there came A post from Wales loaden with heavy news. Shak.

A*tilt" (&?;), adv. [Pref. a- + tilt.] 1. In the manner of a tilter; in the position, or with the action, of one making a thrust. "To run atilt at men." Hudibras.

2. In the position of a cask tilted, or with one end raised. [In this sense sometimes used as an adjective.]

Abroach, atilt, and run Even to the lees of honor. Beau. & Fl.

At"i*my (&?;), n. [Gr. &?;; 'a priv. + &?; honor.] (Gr. Antiq.) Public disgrace or stigma; infamy; loss of civil rights. Mitford.

-a"tion (&?;). [L. -ationem. See -tion.] A suffix forming nouns of action, and often equivalent to the verbal substantive in -ing. It sometimes has the further meanings of state, and that which results from the action. Many of these nouns have verbs in -ate; as, alliterate -ation, narrate -ation; many are derived through the French; as, alteration, visitation; and many are formed on verbs ending in the Greek formative -ize (Fr. -ise); as, civilization, demoralization.

A-tip"toe (&?;), adv. On tiptoe; eagerly expecting.

We all feel a-tiptoe with hope and confidence. F. Harrison.

||At*lan"ta (&?;), n. [NL., fr. Gr. &?;.] (Zoöl.) A genus of small glassy heteropod mollusks found swimming at the surface in mid ocean. See Heteropod.

At*lan"tal (&?;), a. (Anat.) (a) Relating to the atlas. (b) Anterior; cephalic. Barclay.

At`lan*te"an (&?;), a. [L. Atlant&?;us.] 1. Of or pertaining to the isle Atlantis, which the ancients allege was sunk, and overwhelmed by the ocean.

2. Pertaining to, or resembling, Atlas; strong.

With Atlantean shoulders, fit to bear The weight of mightiest monarchies. Milton.

||At*lan"tes (&?;), n. pl. [L., fr. Gr. &?;, pl. of &?;. See Atlas.] (Arch.) Figures or half figures of men, used as columns to support an entablature; -- called also telamones. See Caryatides. Oxf. Gloss.

At*lan"tic (&?;), a. [L. Atlanticus, fr. Atlas. See Atlas and Atlantes.] 1. Of or pertaining to Mt. Atlas in Libya, and hence applied to the ocean which lies between Europe and Africa on the east and America on the west; as, the Atlantic Ocean (called also the Atlantic); the Atlantic basin; the Atlantic telegraph.

2. Of or pertaining to the isle of Atlantis.

3. Descended from Atlas.

The seven Atlantic sisters. Milton.

||At*lan"ti*des (&?;), n. pl. [L. See Atlantes.] The Pleiades or seven stars, fabled to have been the daughters of Atlas.

At"las (&?;), n.; pl. Atlases (&?;). [L. Atlas, -antis, Gr. &?;, &?;, one of the older family of gods, who bears up the pillars of heaven; also Mt. Atlas, in W. Africa, regarded as the pillar of heaven. It is from the root of &?; to bear. See Tolerate.] 1. One who sustains a great burden.

2. (Anat.) The first vertebra of the neck, articulating immediately with the skull, thus sustaining the globe of the head, whence the name.

3. A collection of maps in a volume; -- supposed to be so called from a picture of Atlas supporting the world, prefixed to some collections. This name is said to have been first used by Mercator, the celebrated geographer, in the 16th century.

4. A volume of plates illustrating any subject.

5. A work in which subjects are exhibited in a tabular from or arrangement; as, an historical atlas.

6. A large, square folio, resembling a volume of maps; -- called also atlas folio.

7. A drawing paper of large size. See under Paper, n.

Atlas powder, a nitroglycerin blasting compound of pasty consistency and great explosive power.

At"las, n. [Ar., smooth.] A rich kind of satin manufactured in India. Brande & C.

At`mi*dom"e*ter (&?;), n. [Gr. &?;, &?;, smoke, vapor + -meter; cf. F. atmidomètre.] An instrument for measuring the evaporation from water, ice, or snow. Brande & C.

At"mo (&?;), n. [Contr. fr. atmosphere.] (Physics) The standard atmospheric pressure used in certain physical measurements calculations; conventionally, that pressure under which the barometer stands at 760 millimeters, at a temperature of 0° Centigrade, at the level of the sea, and in the latitude of Paris. Sir W. Thomson.

{ At`mo*log"ic (&?;), At`mo*log"ic*al (&?;), } a. Of or pertaining to atmology. "Atmological laws of heat." Whewell.

At*mol"o*gist (&?;), n. One who is versed in atmology.

At*mol"o*gy (&?;), n. [Gr. &?; vapor + - logy.] (Physics) That branch of science which treats of the laws and phenomena of aqueous vapor. Whewell.

At*mol"y*sis (&?;), n. [Gr. &?; vapor + &?; a loosing, &?; to loose.] (Chem.) The act or process of separating mingled gases of unequal diffusibility by transmission through porous substances.

At`mol*y*za"tion, n. (Chem.) Separation by atmolysis.

At"mo*lyze (&?;), v. t. (Chem.) To subject to atmolysis; to separate by atmolysis.

At"mo*ly`zer (&?;), n. (Chem.) An apparatus for effecting atmolysis.

At*mom"e*ter (&?;), n. [Gr. &?; smoke, vapor + -meter: cf. F. atmomètre.] An instrument for measuring the rate of evaporation from a moist surface; an evaporometer. Huxley.

At"mos*phere (&?;), n. [Gr. &?; vapor (akin to Skr. tman breath, soul, G. athem breath) + &?; sphere: cf. F. atmosphère. See Sphere.] 1. (Physics) (a) The whole mass of aëriform fluid surrounding the earth; -- applied also to the gaseous envelope of any celestial orb, or other body; as, the atmosphere of Mars. (b) Any gaseous envelope or medium.

An atmosphere of cold oxygen. Miller.

2. A supposed medium around various bodies; as, electrical atmosphere, a medium formerly supposed to surround electrical bodies. Franklin.

3. The pressure or weight of the air at the sea level, on a unit of surface, or about 14.7 Ibs. to the sq. inch.

Hydrogen was liquefied under a pressure of 650 atmospheres. Lubbock.

4. Any surrounding or pervading influence or condition.

The chillest of social atmospheres. Hawthorne.

5. The portion of air in any locality, or affected by a special physical or sanitary condition; as, the atmosphere of the room; a moist or noxious atmosphere.

{ At`mos*pher"ic (&?;), At`mos*pher"ic*al (&?;), } a. [Cf. F. atmosphérique.] 1. Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth.

2. Existing in the atmosphere.

The lower atmospheric current. Darwin.

3. Caused, or operated on, by the atmosphere; as, an atmospheric effect; an atmospheric engine.

4. Dependent on the atmosphere. [R.]

In am so atmospherical a creature. Pope.

Atmospheric engine, a steam engine whose piston descends by the pressure of the atmosphere, when the steam which raised it is condensed within the cylinder. Tomlinson. -- Atmospheric line (Steam Engin.), the equilibrium line of an indicator card. Steam is expanded "down to the atmosphere" when its pressure is equal to that of the atmosphere. (See Indicator card.) -- Atmospheric pressure, the pressure exerted by the atmosphere, not merely downwards, but in every direction. In amounts to about 14.7 Ibs. on each square inch. -- Atmospheric railway, one in which pneumatic power, obtained from compressed air or the creation of a vacuum, is the propelling force. -- Atmospheric tides. See under Tide.

At`mos*pher"ic*al*ly (&?;), adv. In relation to the atmosphere.

At`mos*phe*rol"o*gy (&?;), n. [Atmosphere + -logy.] The science or a treatise on the atmosphere.

At"o*kous (&?;), a. [Gr. &?; barren; 'a priv. + &?; offspring.] (Zoöl.) Producing only asexual individuals, as the eggs of certain annelids.

A*toll" (&?;), n. [The native name in the Indian Ocean.] A coral island or islands, consisting of a belt of coral reef, partly submerged, surrounding a central lagoon or depression; a lagoon island.

At"om (&?;), n. [L. atomus, Gr. &?;, uncut, indivisible; 'a priv. + &?;, verbal adj. of &?; to cut: cf. F. atome. See Tome.] 1. (Physics) (a) An ultimate indivisible particle of matter. (b) An ultimate particle of matter not necessarily indivisible; a molecule. (c) A constituent particle of matter, or a molecule supposed to be made up of subordinate particles.

These three definitions correspond to different views of the nature of the ultimate particles of matter. In the case of the last two, the particles are more correctly called molecules. Dana.

2. (Chem.) The smallest particle of matter that can enter into combination; one of the elementary constituents of a molecule.

3. Anything extremely small; a particle; a whit.

There was not an atom of water. Sir J. Ross.

At"om, v. t. To reduce to atoms. [Obs.] Feltham.

{ A*tom"ic (&?;), A*tom"ic*al (&?;), } a. [Cf. F. atomique.] 1. Of or pertaining to atoms.

2. Extremely minute; tiny.

Atomic philosophy, or Doctrine of atoms, a system which, assuming that atoms are endued with gravity and motion, accounted thus for the origin and formation of all things. This philosophy was first broached by Leucippus, was developed by Democritus, and afterward improved by Epicurus, and hence is sometimes denominated the Epicurean philosophy. -- Atomic theory, or the Doctrine of definite proportions (Chem.), teaches that chemical combinations take place between the supposed ultimate particles or atoms of bodies, in some simple ratio, as of one to one, two to three, or some other, always expressible in whole numbers. -- Atomic weight (Chem.), the weight of the atom of an element as compared with the weight of the atom of hydrogen, taken as a standard.

A*tom"ic*al*ly, adv. In an atomic manner; in accordance with the atomic philosophy.

At`o*mi"cian (&?;), n. An atomist. [R.]

A*tom"i*cism (&?;), n. Atomism. [Obs.]

At`o*mic"i*ty (&?;), n. [Cf. F. atomicité.] (Chem.) Degree of atomic attraction; equivalence; valence; also (a later use) the number of atoms in an elementary molecule. See Valence.

At"om*ism (&?;), n. [Cf. F. atomisme.] The doctrine of atoms. See Atomic philosophy, under Atomic.