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Asthma

A disease, characterized by difficulty of breathing (due to a spasmodic contraction of the bronchi), recurring at intervals, accompanied with a wheezing sound, a sense of constriction in the chest, a cough, and expectoration.

Asthmatical Asthmatic

Of or pertaining to asthma; as, an asthmatic cough; liable to, or suffering from, asthma; as, an asthmatic patient.

Astigmatic

Affected with, or pertaining to, astigmatism; as, astigmatic eyes; also, remedying astigmatism; as, astigmatic lenses.

Astigmatism

A defect of the eye or of a lens, in consequence of which the rays derived from one point are not brought to a single focal point, thus causing imperfect images or indistinctness of vision.

Astir

Stirring; in a state of activity or motion; out of bed.

Astonied

Stunned; astonished. See Astony.

Astonish

To stun; to render senseless, as by a blow.

Astonishing

Very wonderful; of a nature to excite astonishment; as, an astonishing event.

Astonishment

The condition of one who is stunned. Hence: Numbness; loss of sensation; stupor; loss of sense.

Astony

To stun; to bewilder; to astonish; to dismay.

Astoop

In a stooping or inclined position.

astounded

struck with an intense and usually sudden surprise sufficient to produce wonder or perplexity

Astounding

Of a nature to astound; astonishing; amazing; as, an astounding force, statement, or fact.

Astraddle

In a straddling position; astride; bestriding; as, to sit astraddle a horse.

Astraean

Pertaining to the genus Astr/a or the family Astr/id/. A coral of the family Astr/id/; a star coral.

Astragal

A convex molding of rounded surface, generally from half to three quarters of a circle.

Astragalus

The ankle bone, or hock bone; the bone of the tarsus which articulates with the tibia at the ankle.

Astrakhan

Of or pertaining to Astrakhan in Russia or its products; made of an Astrakhan skin. The skin of stillborn or young lambs of that region, the curled wool of which resembles fur.

Astral

Pertaining to, coming from, or resembling, the stars; starry; starlike.

Astray

Out of the right, either in a literal or in a figurative sense; wandering; as, to lead one astray.

Astriction

The act of binding; restriction; also, obligation.

Astride

With one leg on each side, as a man when on horseback; with the legs stretched wide apart; astraddle.

Astringe

To bind fast; to constrict; to contract; to cause parts to draw together; to compress.

Astringency

The quality of being astringent; the power of contracting the parts of the body; that quality in medicines or other substances which causes contraction of the organic textures; as, the astringency of tannin.

Astringent

A medicine or other substance that produces contraction in the soft organic textures, and checks discharges of blood, mucus, etc.

astrochemistry

the branch of science involving astronomy and chemistry which studies the chemical composition, chemical reactions, and evolution of matter in outer space.

astrocyte

a large star-shaped neuroglial cell in nervous tissue.

astrocytoma

a tumor of nervous tissue derived from interstitial cells, in which the cells are relatively well-differentiated and resemble astrocytes. The occur primarily in the crebrum and cerebellum.

Astrogeny

The creation or evolution of the stars or the heavens.

Astrognosy

The science or knowledge of the stars, esp. the fixed stars.

Astrography

The art of describing or delineating the stars; a description or mapping of the heavens.

Astroite

A radiated stone or fossil; star-stone.

Astrolabe

An instrument for observing or showing the positions of the stars. It is now disused.

Astrologer

One who studies the stars; an astronomer.

Astrologize

To apply astrology to; to study or practice astrology.

Astrology

In its etymological signification, the science of the stars; among the ancients, synonymous with astronomy; subsequently, the art of judging of the influences of the stars upon human affairs, and of foretelling events by their position and aspects.

Astromantic

Of or pertaining to divination by means of the stars; astrologic.

Astrometeorology

The investigation of the relation between the sun, moon, and stars, and the weather.

Astrometer

An instrument for comparing the relative amount of the light of stars.

Astrometry

The art of making measurements among the stars, or of determining their relative magnitudes.

astronaut

a person trained to travel in a spacecraft; one who travels in a spacecraft; -- called in the Soviet Union and Russia cosmonaut.

astronautics

The theory and practice of navigation through the upper atmosphere or outer space; the science of travel beyond the Earth's atmosphere.

Astronomical

Of or pertaining to astronomy; in accordance with the methods or principles of astronomy.

Astrophotography

The application of photography to the delineation of the sun, moon, and stars.

Astrophotometry

The determination of the brightness of stars, and also of the sun, moon, and planets.

astrophysicist

an astronomer who studies the physical properties of celestial bodies.

astrophysics

the concerned with the physical and chemical properties of celestial bodies.

Astrophysics

The science treating of the physical characteristics of the stars and other heavenly bodies, their chemical constitution, light, heat, atmospheres, etc. It is a branch of astronomy.

Astrophyton

A genus of ophiurans having the arms much branched.

Astroscope

An old astronomical instrument, formed of two cones, on whose surface the constellations were delineated.

Astrotheology

Theology founded on observation or knowledge of the celestial bodies.

Astructive

Building up; constructive; -- opposed to destructive.

Astrut

Sticking out, or puffed out; swelling; in a swelling manner.

Asturian

Of or pertaining to Asturias in Spain. A native of Asturias.

Astute

Critically discerning; sagacious; shrewd; subtle; crafty.

Astylar

Without columns or pilasters.

Astyllen

A small dam to prevent free passage of water in an adit or level.

Asuncion

The capital city of Paraguay. Population (2000) = 502,426.

Asunder

Apart; separate from each other; into parts; in two; separately; into or in different pieces or places.

Asura

An enemy of the gods, esp. one of a race of demons and giants.

Aswail

The sloth bear (Melursus labiatus) of India.

Asylum

A sanctuary or place of refuge and protection, where criminals and debtors found shelter, and from which they could not be forcibly taken without sacrilege.

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.

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