10-letter words containing a, t, o
- astrionics — the science dealing with the application of electronics to astronautics.
- astrobleme — a mark on the earth's surface, usually circular, formed by a large ancient meteorite impact
- astrocytes — Plural form of astrocyte.
- astrocytic — relating to astrocytes or star-shaped neuroglial cells
- astrodomes — Plural form of astrodome.
- astrogator — Astronavigator.
- astrograph — a navigational device for projecting altitude curves of the stars and planets onto charts or plotting sheets.
- astrolabes — Plural form of astrolabe.
- astrolatry — a reverence for, devotion to, or deification of celestial objects
- astrologer — An astrologer is a person who uses astrology to try to tell you things about your character and your future.
- astromancy — divination by means of the stars.
- astrometry — the branch of astronomy concerned with the measurement of the position and motion of celestial bodies
- astronauts — Plural form of astronaut.
- astronomer — An astronomer is a scientist who studies the stars, planets, and other natural objects in space.
- astronomic — of, relating to, or connected with astronomy.
- astrophoto — (astronomy, photography) An image of one or more celestial objects made using techniques of astrophotography.
- asymptotes — Plural form of asymptote.
- asymptotic — of or referring to an asymptote
- asystolism — the indications or symptoms which are representative of asystole
- at home in — familiar or conversant with
- atascadero — a town in SW California.
- atef-crown — a symbolic headdress of certain Egyptian gods, as Osiris, and of Egyptian kings, consisting of a tall conical cap flanked by two plumes and bearing representations of the uraeus and the sun.
- ateleiosis — the condition of having restricted or impaired growth
- atheromata — Plural form of atheroma.
- atmologist — a person who studies or is expert in atmology or the study of aqueous vapour
- atmosphere — A planet's atmosphere is the layer of air or other gases around it.
- atomic age — the period characterized by the use of atomic energy: regarded as beginning with the creation of the first self-sustaining nuclear chain reaction on December 2, 1942
- atomically — of, pertaining to, resulting from, or using atoms, atomic energy, or atomic bombs: an atomic explosion.
- atomweight — (martial arts, combat sports) the weightclass below strawweight of less than 105lbs.
- atrocities — acts of extreme cruelty, esp against prisoners or civilians in wartime
- atrocity's — the quality or state of being atrocious.
- atropatene — Media Atropatene.
- atrophying — Also, atrophia [uh-troh-fee-uh] /əˈtroʊ fi ə/ (Show IPA). Pathology. a wasting away of the body or of an organ or part, as from defective nutrition or nerve damage.
- attack dog — a dog trained to attack on command
- attentions — acts of consideration, courtesy, or gallantry indicating affection or love
- attenuator — any device designed to reduce the power of a wave or electrical signal without distorting it
- attic room — a room in the attic of a house
- attonement — Misspelling of atonement.
- attoparsec — (unit, humour) About 31 mm (one inch). "atto-" is the standard SI prefix for multiplication by 10^-18. A parsec (parallax-second) is 3.26 light-years; an attoparsec is thus 3.26 * 10^-18 light years. Thus, one attoparsec per microfortnight is about one inch per second. This unit is reported to be in use (though probably not very seriously) among hackers in the UK.
- attornment — (feudal legal) The consent of a tenant to the transfer of his relationship to his landlord to another person.
- attraction — An attraction is a feature which makes something interesting or desirable.
- attractors — Plural form of attractor.
- attributor — to regard as resulting from a specified cause; consider as caused by something indicated (usually followed by to): She attributed his bad temper to ill health.
- au courant — up-to-date, esp in knowledge of current affairs
- auctionary — of or relating to auctions or auctioneers
- auctioneer — An auctioneer is a person in charge of an auction.
- auctioning — Present participle of auction.
- audiometer — an instrument for testing the intensity and frequency range of sound that is capable of detection by the human ear
- audiometry — the testing of hearing by means of an audiometer.
- audiotapes — Plural form of audiotape.