9-letter words containing a, i, t, o
- anthelion — a faint halo sometimes seen in polar or high altitude regions around the shadow of an object cast onto a thick cloud bank or fog
- anthemion — a floral design, used esp in ancient Greek and Roman architecture and decoration, usually consisting of honeysuckle, lotus, or palmette leaf motifs
- anthodium — the flower head or bracts of a composite plant, as in daisies or asters
- anthozoic — relating to anthozoans
- anthropic — of or relating to human beings
- anti-atom — an atom composed of antiparticles, in which the nucleus contains antiprotons with orbiting positrons
- anti-hero — An anti-hero is the main character in a novel, play, or film who is not morally good and does not behave like a typical hero.
- anti-lock — designating or of an automotive braking system that prevents the wheels from locking during a sudden stop
- anti-porn — Sometimes, porno [pawr-noh] /ˈpɔr noʊ/ (Show IPA). pornography; sexually explicit videos, photographs, writings, or the like, produced to elicit sexual arousal (often used attributively): arrested for selling porn; a porn star; porn films.
- antiarmor — (military) Designed for attacking armored vehicles, such as tanks and armored personnel carriers.
- antiatoms — Plural form of antiatom.
- antichlor — a substance used to remove chlorine from a material after bleaching or to neutralize the chlorine present
- anticodon — a three-base unit of genetic code contained in transfer RNA that corresponds to a codon region on messenger RNA, involved in genetic translation
- anticosti — an island of E Canada, in the Gulf of St Lawrence; part of Quebec. Area: 7881 sq km (3043 sq miles)
- antidoron — consecrated bread
- antidotal — a medicine or other remedy for counteracting the effects of poison, disease, etc.
- antidotes — Plural form of antidote.
- antigonus — (Gonatus) c319–239 b.c, king of Macedonia 283–239 (son of Demetrius I).
- antiknock — a compound, such as lead tetraethyl, added to petrol to reduce knocking in the engine
- antilabor — opposed to labor unions or to the interests of workers
- antimacho — opposed to macho attitudes
- antimeson — The antiparticle corresponding to a meson.
- antimoney — Opposing the concept of money.
- antimonic — of or containing antimony in the pentavalent state
- antimonyl — of, consisting of, or containing the monovalent group SbO-
- antimoral — Opposing or countering moral behaviour.
- antinodal — the region of maximum amplitude between two adjacent nodes in a standing wave.
- 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
- antinomic — opposition between one law, principle, rule, etc., and another.
- antinovel — a type of prose fiction in which conventional or traditional novelistic elements are rejected
- 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.
- antiphone — (music) The response which one side of the choir makes to the other in a chant; alternate chanting or singing.
- antiphons — Plural form of antiphon.
- antiphony — the antiphonal singing of a musical composition by two choirs
- antipodal — of or relating to diametrically opposite points on the earth's surface
- antipodes — People sometimes refer to Australia and New Zealand as the Antipodes.
- antipolar — of or relating to the North or South Pole.
- antipopes — Plural form of antipope.
- antiroyal — opposed to the monarchy
- 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
- antitauon — (physics) the antiparticle of the tauon.
- antitonic — (physiology) That reduces muscular or vascular tonus.
- antitoxic — of, containing, or acting as an antitoxin
- antitoxin — an antibody that neutralizes a toxin
- antitumor — Inhibiting the development of a tumor.