9-letter words containing i, s, a, t, o
- antimeson — The antiparticle corresponding to a meson.
- antinodes — Plural form of antinode.
- antinoise — sound generated so that it is out of phase with a noise, such as that made by an engine, in order to reduce the noise level by interference
- antiochus — name of thirteen kings of the Seleucid dynasty of Syria
- antipasto — Antipasto is the sort of food that is often served at the beginning of an Italian meal, for example cold meats and vegetables in olive oil.
- antiphons — Plural form of antiphon.
- antipodes — People sometimes refer to Australia and New Zealand as the Antipodes.
- antipopes — Plural form of antipope.
- antishock — designed to reduce the force of impact
- antismoke — preventing smoke
- antisolar — facing in the opposite direction to the sun
- antistory — a story which does not conform to the established conventions of storytelling
- antoninus — Marcus Aurelius, Marcus Aurelius.
- apologist — An apologist is a person who writes or speaks in defence of a belief, a cause, or a person's life.
- apoptosis — the programmed death of some of an organism's cells as part of its natural growth and development
- apostille — a marginal annotation or note.
- apostolic — Apostolic means belonging or relating to a Christian religious leader, especially the Pope.
- apothesis — (architecture) A place on the south side of the chancel in primitive churches, furnished with shelves, for books, vestments, etc.
- apriorist — a person who believes in apriorism
- arborists — Plural form of arborist.
- aristotle — a bottle
- aromatics — Plural form of aromatic.
- aromatise — Alternative spelling of aromatize.
- arsonists — Plural form of arsonist.
- arthrosis — a bone joint which enables movement
- asbestoid — Mineralogy. a fibrous mineral, either amphibole or chrysotile, formerly used for making incombustible or fireproof articles.
- aspirator — a device employing suction, such as a jet pump or one for removing fluids from a body cavity
- assertion — a positive statement, usually made without an attempt at furnishing evidence
- associate — If you associate someone or something with another thing, the two are connected in your mind.
- assorting — Present participle of assort.
- assortive — to distribute, place, or arrange according to kind or class; classify; sort.
- asteroids — Plural form of asteroid.
- astichous — having a structure or layout that is not in rows
- astonying — Present participle of astony.
- astroglia — The group of star-shaped glial cells in the brain and spinal cord.
- astucious — Subtle; cunning; astute.
- asystolic — Pertaining to asystole.
- ateliosis — a form of infantilism caused by pituitary malfunction, characterized by a childish face and voice and associated physical underdevelopment, but not affecting intelligence.
- atherosis — (pathology) atheroma.
- athetosic — relating to or characterized by athetosis
- athetosis — a condition characterized by uncontrolled rhythmic writhing movement, esp of fingers, hands, head, and tongue, caused by cerebral lesion
- atmolysis — a method of separating gases that depends on their differential rates of diffusion through a porous substance
- atomistic — of atoms or atomism
- atomizers — Plural form of atomizer.
- atonalism — atonality.
- atonalist — a composer who composes without knowingly or being aware of alluding to a particular tone or scale
- atrocious — If you describe something as atrocious, you are emphasizing that its quality is very bad.
- atrophies — 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.
- attornies — Plural form of attorny.
- auditions — Plural form of audition.