astronavigation
Navigation by using the positions of the stars and other heavenly bodies
Navigation through space

astronomies
plural of astronomy

astronomy
The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe.
Astrology.

astronym
The name of a star, planet or other heavenly body.

astronyms
plural of astronym

astroparticle
A subatomic particle of cosmic origin

astroparticles
plural of astroparticle

astrophilately
The branch of philately dealing with space flight and similar subjects.

astrophilia
Love of and/or obsession with planets, stars, and outer space.

astrophilosophy
The study of alien philosophy.
astrology

astrophobia
A fear of stars and celestial space.

astrophotography
The photography or imaging of astronomical objects, celestial events or areas of the night sky.

astrophotometry
The determination of the brightness of stars and other heavenly bodies.

astrophotonics
The application of photonics technology to astronomy

astrophysics
The branch of astronomy or physics that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in celestial bodies and in the space between them.

astropolitics
The theory and study of the effects of space, in its broadest sense, on politics.

astroscope
An old astronomical instrument formed of two cones, on whose surface the constellations were delineated.
An astrological chart.
A telescope powerful enough to see astronomical bodies.

astroscopes
plural of astroscope

astroscopy
observation of the stars
Any of various systems of prognostication by means of the planets and stars other than astrology involving the zodiac.

astroseismicity
The state of being astroseismic

astroseismology
Alternative form of asteroseismology.

astrosophy
A form of astrology claimed to have a scientific basis.

astrospectroscopy
The study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation.

astrotech
Clipping of astrotechnology.
Synonym of xenotech.

astrotechs
plural of astrotech

astrotheology
Theology founded on observation or knowledge of the celestial bodies.

astrotracker
star tracker

astrotrackers
plural of astrotracker

astrovideography
The acquisition of astronomical data using video cameras and video imaging techniques.
The art, practice, and/or science of using video cameras for astronomical observation.

astrovirology
The study of viruses and virus-like lifeforms and life throughout the Universe (“our universe”).

astucities
plural of astucity

astucity
Craftiness; astuteness.

astuteness
The quality of being astute.

astutenesses
plural of astuteness

asunderness
The state or quality of being asunder.

aswaddumization
Alternative form of asweddumization.

asweddumisation
Alternative form of asweddumization.

asweddumization
The bringing of land under cultivation.

asymbiosis
A lack of symbiosis, especially in an organism that otherwise exhibits symbiosis.

asymmetricalities
plural of asymmetricality

asymmetricality
The quality of being asymmetrical.

asymmetricalness
The quality of being asymmetrical.

asymmetricities
plural of asymmetricity

asymmetricity
The condition of being asymmetric
The degree to which, or the manner in which something is asymmetric

asymmetries
plural of asymmetry

asymmetriphobia
An aversion to asymmetry.

asymmetrization
The process, or the result of making something asymmetric.

asymmetrizations
plural of asymmetrization

asymmetry
An absence of symmetry or proportion between the parts of a thing, or a distinction that produces such a lack of symmetry.
The lack of a common measure between two objects or quantities; incommensurability.

asymptomaticity
The state of being asymptomatic.

asymptomatology
The absence of all previous symptoms

asymptosy
The quality of being asymptotic.

asymptotia
The condition of being asymptotic

asymptoticity
The condition of being asymptotic

asynapses
plural of asynapsis

asynapsis
The failure of synapsis during meiosis.

asynchronicities
plural of asynchronicity

asynchronicity
The state of being asynchronous.
The extent to which something is asynchronous.

asynchronies
plural of asynchrony

asynchronism
Synonym of asynchrony.

asynchronisms
plural of asynchronism

asynchronization
The condition of being asynchronous or of being asynchronized

asynchronousness
Asynchronicity.

asynchrony
The state of being asynchronous, or out of synchronization

asyncronicity
Misspelling of asynchronicity.

asyndesis
A pattern of spoken or written discourse demonstrating inability or diminished capacity to connect ideas.
Synonym of asyndeton: lack or omission of conjunctions, especially for rhetorical effect.

asyndeta
plural of asyndeton

asyndeton
Omission of conjunctions, especially for rhetorical effect.

asynergia
A lack of muscular coordination

asynergias
plural of asynergia

asyngamy
Absence of syngamy.

asystolism
The state or symptoms characteristic of an asystole.

atabaque
A tall Afro-Brazilian hand drum, traditionally having its shell made of jacaranda wood.

atabaques
plural of atabaque

ataraxia
Tranquility of mind; absence of mental disturbance.

ataraxias
plural of ataraxia

ataraxis
The absence of stress or anxiety; serenity.

atavist
A genetic characteristic emerging after an absence from several generations.
A person of atavistic beliefs or habits.

atavists
plural of atavist

atchievement
Alternative spelling of achievement.
Obsolete form of achievement.

atchievements
plural of atchievement

ateji
The use of kanji chosen primarily for their phonetic (narrow sense) or semantic (broad sense) value to represent foreign or native Japanese words, or the kanji so used.

ateknia
childlessness

ateleiosis
Alternative form of ateliosis.

ateliosis
A form of dwarfism accompanied by a childlike high-pitched voice and abnormal genitalia.

atelophobia
The fear of imperfection or not being good enough.

atemporality
The quality of being atemporal.

atenteben
A type of bamboo flute from Ghana that is played vertically.

athanasy
An absence of death or the condition of everlasting life.

athanatism
immortality of the soul

athazagoraphobia
The fear of being forgotten or ignored.

atheisation
Alternative spelling of atheization.

atheism
A non-belief in deities.
A non-belief in deities.
A non-belief in deities.
Absence of belief in a particular deity, pantheon, or religious doctrine (notwithstanding belief in other deities).
A rejection of all religions, even non-theistic ones.

atheisms
plural of atheism

atheisticalness
The state or quality of being atheistical.

atheisticness
The state or quality of being atheistic.

atheization
Process of making atheistic.

atheldom
The state or condition of being athel or noble; nobility.

atheologies
plural of atheology

atheology
Antagonism to theology; the study or profession of atheism.

atheophilia
An admiration or fondness for atheism.
An appreciation for rational thinking, science, and the rejection of religious beliefs.

atheophobia
A fear or hatred of atheism or atheists.

atheoreticality
The quality of being atheoretical.

atheosis
Misspelling of athetosis.

athermality
The condition of being athermal

athermancy
Inability to transmit radiant heat; impermeability to heat; the quality of being a good insulator.

atheroablation
Ablation of an atheroma.

atherogeneses
plural of atherogenesis

atherogenesis
The formation of atheromas, especially on the walls of the arteries

atherogenicity
The condition of being atherogenic

atheromasia
The presence of atheroma

atheroprotection
protection against the formation of atherosclerosis

atheroprotectiveness
The condition of being atheroprotective

atherosusceptibility
The condition of being atherosusceptible

atherothrombogenesis
The origination of atherothrombosis.