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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.

Atomizer

One who, or that which, atomizes; esp., an instrument for reducing a liquid to spray for disinfecting, cooling, or perfuming.

Atonable

Admitting an atonement; capable of being atoned for; expiable.

atonality

the absence of a key; alternative to the diatonic system.

Atone

To set at one; to reduce to concord; to reconcile, as parties at variance; to appease.

Atonement

Reconciliation; restoration of friendly relations; agreement; concord.

Atoner

One who makes atonement.

Atonic

A word that has no accent.

atonicity

lack of normal muscular tension or tonus.

Atony

Want of tone; weakness of the system, or of any organ, especially of such as are contractile.

Atop

On or at the top.

Atrabilarian

A person much given to melancholy; a hypochondriac.

Atrabiliary

Of or pertaining to atra bilis or black bile, a fluid formerly supposed to be produced by the kidneys.

Atramentarious

Like ink; suitable for making ink. Sulphate of iron (copperas, green vitriol) is called atramentarious, as being used in making ink.

Atramentous Atramental

Of or pertaining to ink; inky; black, like ink; as, atramental galls; atramentous spots.

Atresia

Absence or closure of a natural passage or channel of the body; imperforation.

Atrial

Of or pertaining to an atrium.

Atrip

Just hove clear of the ground; -- said of the anchor. Sheeted home, hoisted taut up and ready for trimming; -- said of sails. Hoisted up and ready to be swayed across; -- said of yards.

Atriplex

a genus of plants of the goosefoot family (Chenopodiaceae); its members include species called orach and saltbush.

Atrium

A square hall lighted from above, into which rooms open at one or more levels. An open court with a porch or gallery around three or more sides; especially at the entrance of a basilica or other church. The name was extended in the Middle Ages to the open churchyard or cemetery.

Atrocha

A kind of ch/topod larva in which no circles of cilia are developed.

Atrocious

Extremely heinous; full of enormous wickedness; as, atrocious guilt or deeds.

Atrocity

Enormous wickedness; extreme heinousness or cruelty.

Atropa

a genus of plants of the nightshade family, including the belladonna (Atropa belladonna).

Atrophied

Affected with atrophy, as a tissue or organ; arrested in development at a very early stage; rudimentary.

Atropine

A poisonous, white, crystallizable alkaloid, extracted from the Atropa belladonna, or deadly nightshade, and the Datura Stramonium, or thorn apple. It is remarkable for its power in dilating the pupil of the eye. Called also daturine.

Atropism

A condition of the system produced by long use of belladonna.

Atrypa

A extinct genus of Branchiopoda, very common in Silurian limestones.

Attachable

Capable of being attached; esp., liable to be taken by writ or precept.

Attache

One attached to another person or thing, as a part of a suite or staff. Specifically: One attached to an embassy.

attache case

A flat, rectangular, usually rigid briefcase commonly used to carry documents for business purposes.

Attachment

The act attaching, or state of being attached; close adherence or affection; fidelity; regard; an/ passion of affection that binds a person; as, an attachment to a friend, or to a party.

Attack

The act of attacking, or falling on with force or violence; an onset; an assault; -- opposed to defense.

Attagen Attagas

A species of sand grouse (Syrrghaptes Pallasii) found in Asia and rarely in southern Europe.

Attainable

Capable of being attained or reached by efforts of the mind or body; capable of being compassed or accomplished by efforts directed to the object.

Attainder

The act of attainting, or the state of being attainted; the extinction of the civil rights and capacities of a person, consequent upon sentence of death or outlawry; as, an act of attainder.

Attainment

The act of attaining; the act of arriving at or reaching; hence, the act of obtaining by efforts.

Attar

A fragrant essential oil; esp., a volatile and highly fragrant essential oil obtained from the petals of roses.

Attask

To take to task; to blame.

attelet

a type of skewer with an ornamental handle which is used for holding foods for presentation at the table, but not while cooking.

Attemper

To reduce, modify, or moderate, by mixture; to temper; to regulate, as temperature.

Attempt

A essay, trial, or endeavor; an undertaking; an attack, or an effort to gain a point; esp. an unsuccessful, as contrasted with a successful, effort.

Attemptable

Capable of being attempted, tried, or attacked.

Attempter

One who attempts; one who essays anything.

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