13-letter words containing o, a, t
- adventurously — inclined or willing to engage in adventures; enjoying adventures.
- advocacy tank — a research and development institution that works to lobby government officials to adopt the institution's viewpoints.
- aeroacoustics — the study of the generation and transmittance of sound by fluid flow
- aerodigestive — of or relating to the organs and tissues of the respiratory tract and the upper part of the digestive tract
- aerodontalgia — a toothache caused by lowered barometric pressure, as in high-altitude flight.
- aerogenerator — a generator that is driven by winds
- aerolithology — the science of aerolites
- aeromagnetics — the science of measuring magnetic characteristics associated with atmospheric conditions of the earth.
- aerophilately — the study or collection of airmail stamps, cancellations, etc.
- aerosinusitis — inflammation of the nasal sinuses caused by the effect on the sinuses of changes in atmospheric pressure.
- aerostructure — any separately manufactured unit, component, or section of an aircraft or other vehicle capable of flight
- affectionally — In an affectional manner.
- affectionated — Simple past tense and past participle of affectionate.
- affectionless — showing no affection or kindly disposition towards
- affordability — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- afforestation — Afforestation is the process of planting large numbers of trees on land which has few or no trees on it.
- aformentioned — Misspelling of aforementioned.
- afternoon tea — Afternoon tea is a small meal you can have in the afternoon. It includes a cup of tea and food such as sandwiches and cakes.
- afterthoughts — Plural form of afterthought.
- aggiornamento — the process of bringing up to date methods, ideas, etc
- agglomeration — An agglomeration of things is a lot of different things gathered together, often in no particular order or arrangement.
- agglomerative — gathered together into a cluster or mass.
- agglutination — the act or process of agglutinating
- agglutinogens — Plural form of agglutinogen.
- aggradational — (geology) Pertaining to or formed by aggradation.
- aggregational — resulting from aggregation
- agonistically — in an agonistic manner
- agro-industry — the large-scale production, processing, and packaging of food using modern equipment and methods.
- agrobacterium — A soil bacterium, of the genus Agrobacterium, which can fix nitrogen, and causes the formation of crown galls in plants.
- agrobiologist — One who studies bacteria and other organisms in soil for the purpose of growing crops or feeding animals.
- agroecologist — One who studies agroecology.
- agrostography — a treatise on grasses.
- agrostologist — a person who specializes in agrostology
- agroterrorism — the use of biological agents as weapons against agricultural and food-supply industries
- ahead of time — If you do something ahead of time, you do it before a particular event or before you need to, in order to be well prepared.
- ahistorically — In an ahistorical way.
- air injection — injection of liquid fuel into the cylinder of an internal-combustion engine, especially a diesel, by means of a jet of compressed air.
- air pollution — contamination of the atmosphere
- air-condition — to apply air conditioning to
- air-to-ground — operating between an aircraft in flight and a target on the ground
- aircraftwoman — The female equivalent of an aircraftman.
- aircraftwomen — Plural form of aircraftwoman.
- airline pilot — a person who flies planes as a profession and works for a commercial airline
- airport novel — People sometimes refer to long novels such as thrillers and romances that are written in a popular style as airport novels.
- airworthiness — (of an aircraft) meeting established standards for safe flight; equipped and maintained in condition to fly.
- aius locutius — a disembodied voice that warned the Romans of a coming invasion by the Gauls.
- ajax mountain — a peak on the Idaho-Montana border, in the Bitterroot Range of the Rocky Mountains. 10,900 feet (3,324 meters).
- albertosaurus — A giant fierce carnivorous tyrannosaurus-like dinosaur, of gemus Albertosaurus, discovered in Alberta, Canada.
- alcohol patch — a patch impregnated with the drug mecamylamine, which is worn on the skin by someone trying to reduce his or her craving for alcohol
- alcoholometer — an instrument, such as a specially calibrated hydrometer, for determining the percentage of alcohol in a liquid