Nouns

asterism

noun

(astronomy) a cluster of stars (or a small constellation)

asteroidea

noun

sea stars

asterion

noun

the craniometric point at the junction of the lamboid suture...

asterope

noun

(Greek mythology) one of the 7 Pleiades

asthenosphere

noun

the lower layer of the crust

asthenopia

noun

a tiredness of the eyes caused by prolonged close work by a...

astheny

noun

an abnormal loss of strength

asthenia

noun

an abnormal loss of strength

astragal

noun

a beaded molding for edging or decorating furniture

astraphobia

noun

a morbid fear of thunder and lightning

astringency

noun

a sharp astringent taste; the taste experience when a substa...

astrometry

noun

the branch of astronomy that deals with the measurement of t...

astrocyte

noun

comparatively large neuroglial cell

astrobiology

noun

the branch of biology concerned with the effects of outer sp...

astrodynamics

noun

the branch of astronomy that studies the motion of natural a...

astrolabe

noun

an early form of sextant

astrogator

noun

the navigator of a spacecraft

astronautics

noun

the theory and practice of navigation through air or space

astronavigation

noun

navigating according to the positions of the stars

astuteness

noun

intelligence manifested by being astute (as in business deal...

asymptote

noun

a straight line that is the limiting value of a curve; can b...

athar

noun

essential oil or perfume obtained from flowers

athabaskan

noun

a member of any of the North American Indian groups speaking...

athabascan

noun

a member of any of the North American Indian groups speaking...

athapaskan

noun

a member of any of the North American Indian groups speaking...

athapascan

noun

a member of any of the North American Indian groups speaking...

athelstan

noun

the first Saxon ruler who extended his kingdom to include ne...

athanor

noun

a furnace that feeds itself so as to maintain a uniform temp...

atheroma

noun

a fatty deposit in the intima (inner lining) of an artery; c...

atheneum

noun

a literary or scientific association for the promotion of le...

athetosis

noun

a continuous succession of slow, writhing, involuntary movem...

athodyd

noun

a simple type of jet engine; must be launched at high speed

atabrine

noun

a drug (trade name Atabrine) used to treat certain worm infe...

atar

noun

essential oil or perfume obtained from flowers

atarax

noun

a drug (trade names Atarax and Vistaril) used as a tranquili...

atelectasis

noun

collapse of an expanded lung (especially in infants); also f...

ataraxia

noun

peace of mind

atavist

noun

an organism that has the characteristics of a more primitive...

atmometer

noun

an instrument that measures rate of evaporation of water

atomism

noun

(chemistry) any theory in which all matter is composed of ti...

atomiser

noun

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

atonicity

noun

lack of normal muscular tension or tonus

atony

noun

lack of normal muscular tension or tonus

atomization

noun

annihilation by reducing something to atoms

attainability

noun

the state of being achievable

attainder

noun

cancellation of civil rights

attainableness

noun

the state of being achievable

attempter

noun

one who tries

attender

noun

someone who waits on or tends to or attends to the needs of...

attenuator

noun

an electrical device for attenuating the strength of an elec...