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Asymmetry

Want of symmetry, or proportion between the parts of a thing, esp. lack of bilateral symmetry.

Asymptote

A line which approaches nearer to some curve than assignable distance, but, though infinitely extended, would never meet it. Asymptotes may be straight lines or curves. A rectilinear asymptote may be conceived as a tangent to the curve at an infinite distance.

asynchronism

the relation that exists when things occur at unrelated times.

Asynchronous

Not simultaneous; not concurrent in time; -- opposed to synchronous.

asynchrony

the relation that exists when things occur at unrelated times.

Asyndetic

Characterized by the use of asyndeton; not connected by conjunctions.

Asyndeton

A figure which omits the connective; as, I came, I saw, I conquered. It stands opposed to polysyndeton.

Asystole

A weakening or cessation of the contractile power of the heart.

Asystolism

The state or symptoms characteristic of asystole.

At

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.

Atabal

A kettledrum; a kind of tabor, used by the Moors.

Atabrine

a drug once used to treat malaria (C23H30ClN3O); chemically it is a derivative of the tricyclic structure acridine: 6-chloro-9-[[4-(diethylamino-1-methylbutyl)]amino]-2-methoxyacridine. It also has some anthelmintic activity against cestodes. Atabrine is a trademark.

Atacamite

An oxychloride of copper, usually in emerald-green prismatic crystals.

Ataman

A hetman, or chief of the Cossacks.

atar

essential oil or perfume obtained from flowers.

ataractic

drug that reduces nervous tension and gives peace of mind.

ataraxic

drug that reduces nervous tension and gives peace of mind.

Ataunto Ataunt

Fully rigged, as a vessel; with all sails set; set on end or set right.

Atavic

Pertaining to a remote ancestor, or to atavism.

Atavism

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. The recurrence of any peculiarity or disease of an ancestor in a subsequent generation, after an intermission for a generation or two.

atavistic

displaying characteristics of a previous cultural era or of a previous ancestral form; displaying atavism

Ataxic

Characterized by ataxy, that is, (a) by great irregularity of functions or symptoms, or (b) by a lack of coordinating power in movements.

Atazir

The influence of a star upon other stars or upon men.

Ate

The goddess of mischievous folly; also, in later poets, the goddess of vengeance.

Atechnic

Without technical or artistic knowledge.

Ateles

A genus of American monkeys with prehensile tails, and having the thumb wanting or rudimentary. See Spider monkey, and Coaita.

Atellan

Of or pertaining to Atella, in ancient Italy; as, Atellan plays; farcical; ribald. A farcical drama performed at Atella.

Athalamous

Not furnished with shields or beds for the spores, as the thallus of certain lichens.

Athanasian

Of or pertaining to Athanasius, bishop of Alexandria in the 4th century.

Athanor

A digesting furnace, formerly used by alchemists. It was so constructed as to maintain uniform and durable heat.

athar

essential oil or perfume obtained from flowers.

Athecata

A division of Hydroidea in which the zooids are naked, or not inclosed in a capsule. See Tubularian.

Atheism

The disbelief or denial of the existence of a God, or supreme intelligent Being.

Atheist

One who disbelieves or denies the existence of a God, or supreme intelligent Being.

Atheistical Atheistic

Pertaining to, implying, or containing, atheism; -- applied to things; as, atheistic doctrines, opinions, or books.

Atheize

To discourse, argue, or act as an atheist.

Atheling

An Anglo-Saxon prince or nobleman; esp., the heir apparent or a prince of the royal family.

Athenaeum Atheneum

A temple of Athene, at Athens, in which scholars and poets were accustomed to read their works and instruct students.

Athenian

Of or pertaining to Athens, the metropolis of Greece. A native or citizen of Athens.

Athens

The capital city of Greece. Population (2000) = nk.

Atherine

A small marine fish of the family Atherinid/, 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.

Athermancy

Inability to transmit radiant heat; impermeability to heat.

Athermanous

Not transmitting heat; -- opposed to diathermanous.

Atheroma

An encysted tumor containing curdy matter. A disease characterized by thickening and fatty degeneration of the inner coat of the arteries.

Atheromatous

Of, pertaining to, or having the nature of, atheroma.

atherosclerosis

a form of arteriosclerosis characterized by irregular fatty deposits on the inner surface of large and medium-sized arteries; the deposits are associated with fibrosis and calcification of the inner layer of the arteries. Similar conditions may be found in swine and fowl. The deposits may become large enough to impede the blood circulation and in some cases may restrict the blood supply to the heart.

Athetize

To set aside or reject as spurious, as by marking with an obelus.

Athetosis

A variety of chorea, marked by peculiar tremors of the fingers and toes.

Athink

To repent; to displease; to disgust.

Athlete

One who contended for a prize in the public games of ancient Greece or Rome.

Athletic

Of or pertaining to athletes or to the exercises practiced by them; as, athletic games or sports.

Athleticism

The practice of engaging in athletic games; athletism.

Athletics

The art of training by athletic exercises; the games and sports of athletes.

Athletism

The state or practice of an athlete; the characteristics of an athlete.

Athrepsia

Profound debility of children due to lack of food and to unhygienic surroundings.

Athwart

Across, especially in an oblique direction; sidewise; obliquely.

Athyriaceae

alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems.

Athyrium

a genus temperate and tropical lady ferns; in some classifications placed in family Polypodiaceae or in the genus Asplenium.

Atilt

In the manner of a tilter; in the position, or with the action, of one making a thrust.

Atimy

Public disgrace or stigma; infamy; loss of civil rights.

Atlanta

A genus of small glassy heteropod mollusks found swimming at the surface in mid ocean. See Heteropod.

Atlantal

Relating to the atlas. Anterior; cephalic.

Atlantean

Of or pertaining to the isle Atlantis, which the ancients allege was sunk, and overwhelmed by the ocean.

Atlantes

Figures or half figures of men, used as columns to support an entablature; -- called also telamones. See Caryatides.

Atlantic

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.

Atlantides

The Pleiades or seven stars, fabled to have been the daughters of Atlas.

Atlas

A rich kind of satin manufactured in India.

Atman

The life principle, soul, or individual essence. The universal ego from whom all individual atmans arise. This sense is a European excrescence on the East Indian thought.

Atmiatry

Treatment of disease by vapors or gases, as by inhalation.

Atmidometer

An instrument for measuring the evaporation from water, ice, or snow.

Atmo

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.

Atmology

That branch of science which treats of the laws and phenomena of aqueous vapor.

Atmolysis

The act or process of separating mingled gases of unequal diffusibility by transmission through porous substances. See also gaseous diffusion.

Atmolyze

To subject to atmolysis; to separate by atmolysis.

Atmolyzer

An apparatus for effecting atmolysis.

Atmometer

An instrument for measuring the rate of evaporation from a moist surface; an evaporometer.

Atmosphere

The whole mass of a/riform fluid surrounding the earth; -- applied also to the gaseous envelope of any celestial orb, or other body; as, the atmosphere of Mars. Any gaseous envelope or medium.

Atmospherical Atmospheric

Of or pertaining to the atmosphere; of the nature of, or resembling, the atmosphere; as, atmospheric air; the atmospheric envelope of the earth.

Atokous

Producing only asexual individuals, as the eggs of certain annelids.

Atole

A porridge or gruel of maize meal and water, milk, or the like.

Atoll

A coral island or islands, consisting of a belt of coral reef, partly submerged, surrounding a central lagoon or depression; a lagoon island.

Atom

To reduce to atoms.

Atomic bomb Atom bomb

a bomb of great power in which the explosive energy is derived from the nuclear fission of a fissionable material, such as plutonium or uranium-235. It is a type of nuclear weapon. The strength of an atom bomb is measured in kilotons, i.e. the equivalent energy released by explosion of a thousand tons of TNT. The first atomic bomb was manufactured in 1945.

Atomically

In an atomic manner; in accordance with the atomic philosophy.

Atomicity

Degree of atomic attraction; equivalence; valence; also (a later use) the number of atoms in an elementary molecule. See Valence.

atomiser

a dispenser that turns a liquid (such as perfume) into a fine spray.

Atomism

The doctrine of atoms. See Atomic philosophy, under Atomic.

Atomist

One who holds to the atomic philosophy or theory.

Atomistic

Of or pertaining to atoms; relating to atomism.

atomistical

divided into separate and often disparate elements.

Atomization

The act of reducing to atoms, or very minute particles; or the state of being so reduced.

Atomize

To reduce to atoms, or to fine spray.

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