9-letter words containing a, n, o, i
- 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.
- antiunion — opposed to trade unions
- antivenom — a serum which acts against the effects of venom
- antiwoman — hostile to women
- antiworld — a hypothetical or supposed world or universe composed of antimatter
- antoninus — Marcus Aurelius, Marcus Aurelius.
- antonioni — Michelangelo (mikeˈlandʒelo). 1912–2007, Italian film director; his films include L'Avventura (1959), La Notte (1961), Blow-Up (1966), Zabriskie Point (1970), Beyond the Clouds (1995), and Just To Be Together (2002)
- antonymic — having the opposite meaning, relating to antonyms
- anxiously — full of mental distress or uneasiness because of fear of danger or misfortune; greatly worried; solicitous: Her parents were anxious about her poor health.
- anybodies — a person of some importance: If you're anybody, you'll receive an invitation.
- apophenia — (psychology) The perception of or belief in connectedness among unrelated phenomena.
- apophenic — Of or relating to apophenia.
- appointed — If something happens at the appointed time, it happens at the time that was decided in advance.
- appointee — An appointee is someone who has been chosen for a particular job or position of responsibility.
- appointer — to name or assign to a position, an office, or the like; designate: to appoint a new treasurer; to appoint a judge to the bench.
- appointor — a person to whom a power to nominate persons to take property is given by deed or will
- apportion — When you apportion something such as blame, you decide how much of it different people deserve or should be given.
- approving — An approving reaction or remark shows support for something, or satisfaction with it.
- apronlike — resembling an apron
- aprotinin — (protein) A polypeptide, obtained from bovine lung tissue, that acts as a protease inhibitor, and is used in surgery to reduce bleeding.
- aquaporin — any one of a group of proteins in cell membranes that allow the passage of water across the membrane
- arabinose — a pentose sugar in plant gums, esp of cedars and pines. It is used as a culture medium in bacteriology. Formula: C5H10O5
- arachnoid — the middle of the three membranes that cover the brain and spinal cord
- aragonite — a generally white or grey mineral, found in sedimentary rocks and as deposits from hot springs. Composition: calcium carbonate. Formula: CaCO3. Crystal structure: orthorhombic
- arational — Not based on or governed by reason.
- arccosine — the function the value of which for a given argument between –1 and 1 is the angle in radians (between 0 and π), the cosine of which is that argument: the inverse of the cosine function
- archontic — relating to an archon
- arcuation — the use of arches or vaults in buildings
- arecoline — a drug derived from betel nuts and producing a range of effects, including increased salivation, body temperature, and heart rate
- arenation — the use of hot sand as a medical poultice
- argan oil — a yellow nutty-flavoured oil extracted from the ripe green olive-like fruits of the argan tree, Argania spinosa of SW Morocco, and used in cooking, medicines, and cosmetics
- arid zone — either of the zones of latitude 15–30° N and S characterized by very low rainfall and desert or semidesert terrain
- arlington — a county of N Virginia: site of Arlington National Cemetery
- armorican — a native or inhabitant of Armorica
- aromantic — Not given to experiencing romantic attraction to others.
- arsenious — of or containing arsenic in the trivalent state
- arsonists — Plural form of arsonist.
- art union — a lottery, often with prizes other than cash
- arylation — to introduce one or more aryl groups into (a compound).
- arytenoid — denoting either of two small cartilages of the larynx that are attached to the vocal cords
- asbomania — the perceived indiscriminate and excessive use by the authorities of anti-social behaviour orders in dealing with people causing a nuisance to their fellow citizens
- ascension — In some religions, when someone goes to heaven, you can refer to their ascension to heaven.
- ascogonia — Plural form of ascogonium.
- asimovian — referring to or reminiscent of the work of Isaac Asimov
- aspersion — a disparaging or malicious remark; slanderous accusation (esp in the phrase cast aspersions (on))