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Aural

Of or pertaining to the ear; as, aural medicine and surgery.

Aurantiaceous

Pertaining to, or resembling, the Aurantiace/, an order of plants (formerly considered natural), of which the orange is the type.

Aurate

A combination of auric acid with a base; as, aurate or potassium.

Aurelia

The chrysalis, or pupa of an insect, esp. when reflecting a brilliant golden color, as that of some of the butterflies. A genus of jellyfishes. See Discophora.

Aurelian

An amateur collector and breeder of insects, esp. of butterflies and moths; a lepidopterist.

Aureole Aureola

A celestial crown or accidental glory added to the bliss of heaven, as a reward to those (as virgins, martyrs, preachers, etc.) who have overcome the world, the flesh, and the devil.

Aureomycin

a yellow crystalline antibiotic (generic name chlortetracycline) used to treat certain bacterial and rickettsial diseases.

Auric

Of or pertaining to gold.

Aurichalcite

A hydrous carbonate of copper and zinc, found in pale green or blue crystalline aggregations. It yields a kind of brass on reduction.

Auricle

The external ear, or that part of the ear which is prominent from the head. The chamber, or one of the two chambers, of the heart, by which the blood is received and transmitted to the ventricle or ventricles; -- so called from its resemblance to the auricle or external ear of some quadrupeds. See Heart.

Auricled

Having ear-shaped appendages or lobes; auriculate; as, auricled leaves.

Auricula

A species of Primula, or primrose, called also, from the shape of its leaves, bear's-ear. A species of Hirneola (Hirneola auricula), a membranaceous fungus, called also auricula Jud/, or Jew's-ear.

Auricular

Of or pertaining to the ear, or to the sense of hearing; as, auricular nerves.

Auricularia

A kind of holothurian larva, with soft, blunt appendages. See Illustration in Appendix.

Auriculars

A circle of feathers surrounding the opening of the ear of birds.

Auriculated Auriculate

Having ears or appendages like ears; eared. Having lobes or appendages like the ear; shaped like the ear; auricled. Having an angular projection on one or both sides, as in certain bivalve shells, the foot of some gastropods, etc.

Auriferous

Gold-bearing; containing or producing gold.

Auriform

Having the form of the human ear; ear-shaped.

Auriga

The Charioteer, or Wagoner, a constellation in the northern hemisphere, situated between Perseus and Gemini. It contains the bright star Capella.

Aurigal

Of or pertaining to a chariot.

Aurigation

The act of driving a chariot or a carriage.

Aurilave

An instrument for cleansing the ear, consisting of a small piece of sponge on an ivory or bone handle.

Aurin

A red coloring matter derived from phenol; -- called also, in commerce, yellow corallin.

Auriscope

An instrument for examining the condition of the ear.

Auriscopy

Examination of the ear by the aid of the auriscope.

Aurist

One skilled in treating and curing disorders of the ear.

Aurited

Having lobes like the ear; auriculate.

Aurochloride

The trichloride of gold combination with the chloride of another metal, forming a double chloride; -- called also chloraurate.

Aurochs

The European bison (Bison bonasus, or Bison Europ/us), once widely distributed, but now nearly extinct, except where protected in the Lithuanian forests, and perhaps in the Caucasus. It is distinct from the Urus of C/sar, with which it has often been confused.

Aurocyanide

A double cyanide of gold and some other metal or radical; -- called also cyanaurate.

Aurora

The rising light of the morning; the dawn of day; the redness of the sky just before the sun rises.

Auroral

Belonging to, or resembling, the aurora (the dawn or the northern lights); rosy.

Auscultate

To practice auscultation; to examine by auscultation.

Auspice

A divining or taking of omens by observing birds; an omen as to an undertaking, drawn from birds; an augury; an omen or sign in general; an indication as to the future.

Auspicial

Of or pertaining to auspices; auspicious.

Auspicious

Having omens or tokens of a favorable issue; giving promise of success, prosperity, or happiness; predicting good; as, an auspicious beginning.

Aussie

a native or inhabitant of Australia.

austenite

a solid solution of ferric carbide or carbon in iron; -- it cools to form pearlite or martensite.

Austereness

Harshness or astringent sourness to the taste; acerbity.

Austerity

Sourness and harshness to the taste.

Austerlitz

a decisive battle during the Napoleonic campaigns (1805); the French under Napoleon defeated the Russian and Austrian armies of Czar Alexander I and Emperor Francis II.

Austin

Augustinian; as, Austin friars.

Austral

Southern; lying or being in the south; as, austral land; austral ocean.

Australasian

Of or pertaining to Australasia; as, Australasian regions. A native or an inhabitant of Australasia.

Australian

Of or pertaining to Australia. A native or an inhabitant of Australia.

Australize

To tend toward the south pole, as a magnet.

Austrian

Of or pertaining to Austria, or to its inhabitants. A native or an inhabitant of Austria.

Austro-Hungarian

Of or pertaining to the monarchy composed of Austria and Hungary.

Austrocedrus

a genus having but one species; formerly included in genus Libocedrus.

Austromancy

Soothsaying, or prediction of events, from observation of the winds.

Austronesia

the area comprising the islands of central and S Pacific (Indonesia and Melanesia and Micronesia and Polynesia).

Austrotaxus

a genus having but one species; the New Caledonian yew.

Auszug

See Army organization, Switzerland.

autacoid

any physiologically active internal secretion, especially one of uncertain classification.

Autarchy

Self-sufficiency, especially economic self-sufficiency as applied to nations.

autarky

economic independence as a national policy.

Authentically

In an authentic manner; with the requisite or genuine authority.

Authenticate

To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.

authentication

a mark on an article of trade to indicate its origin and authenticity.

Authenticity

The quality of being authentic or of established authority for truth and correctness.

Authentics

A collection of the Novels or New Constitutions of Justinian, by an anonymous author; -- so called on account of its authenticity.

Author

To occasion; to originate.

authorise

grant authorization or clearance for. Same as authorize.

Authoritative

Having, or proceeding from, due authority; entitled to obedience, credit, or acceptance; determinate; commanding.

authorities

the organization that is the governing authority of a political unit.

Authority

Legal or rightful power; a right to command or to act; power exercised buy a person in virtue of his office or trust; dominion; jurisdiction; authorization; as, the authority of a prince over subjects, and of parents over children; the authority of a court.

Authorization

The act of giving authority or legal power; establishment by authority; sanction or warrant.

Authorize

To clothe with authority, warrant, or legal power; to give a right to act; to empower; as, to authorize commissioners to settle a boundary.

Authorized

Possessed of or endowed with authority; as, an authorized agent.

Authorless

Without an author; without authority; anonymous.

Authorship

The quality or state of being an author; function or dignity of an author.

Authotype

A type or block containing a facsimile of an autograph.

autism

a mental disorder characterized by inability to engage in normal social interactions and intense self-absorption, and usually accompanied by other symptoms such as language dysfunctions and repetitive behavior.

auto

of or pertaining to an automobile; as, an auto mechanic.

auto-changer

an automatic device on a record player that causes new records to be played without manual intervention.

auto-da-fe

A judgment of the Inquisition in Spain and Portugal condemning or acquitting persons accused of religious offenses.

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