13-letter words containing o, n, a, t
- action-packed — full of activities, events and excitement
- actionability — furnishing ground for a lawsuit.
- active reason — an activity of intellect, embodying universal truth, potentially present in the mind of every individual, and when present, forming the only immortal part of the individual.
- actor-manager — a leading actor who produces and usually stars in his or her own productions: Sir Henry Irving was one of the first actor-managers.
- actualisation — Alternative spelling of actualization.
- actualization — the act or process of actualizing.
- additionality — (in Britain) the principle that money raised by the National Lottery should only be spent on projects that would not otherwise be funded by government spending
- adenoidectomy — surgical removal of the adenoids
- adenopathies' — enlargement or disease of the glands, especially the lymphatic glands: a patient with prominent adenopathy. See also lymphadenopathy.
- adjudications — Plural form of adjudication.
- admensuration — Admeasurement.
- administrador — (historical) A steward or official in various Spanish- and Portuguese-speaking countries.
- administrator — An administrator is a person whose job involves helping to organize and supervise the way that an organization or institution functions.
- admonishments — Plural form of admonishment.
- adrenalectomy — the surgical removal of one or both adrenal glands
- adultolescent — a young adult or middle-aged person who has interests, traits, etc., that are usually associated with teenagers.
- advance ratio — the ratio of wind speed along the axis of a rotor or propeller to the speed of the blade tip
- advection fog — fog caused by the movement of warm, moist air over a cold surface.
- adventuresome — Adventuresome means the same as adventurous.
- 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.
- aerodontalgia — a toothache caused by lowered barometric pressure, as in high-altitude flight.
- aerogenerator — a generator that is driven by winds
- aeromagnetics — the science of measuring magnetic characteristics associated with atmospheric conditions of the earth.
- aerosinusitis — inflammation of the nasal sinuses caused by the effect on the sinuses of changes in atmospheric pressure.
- affectionally — In an affectional manner.
- affectionated — Simple past tense and past participle of affectionate.
- affectionless — showing no affection or kindly disposition towards
- 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.
- 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.
- 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.
- 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.
- ajax mountain — a peak on the Idaho-Montana border, in the Bitterroot Range of the Rocky Mountains. 10,900 feet (3,324 meters).
- aldosteronism — high blood pressure caused by excess aldosterone in the blood and urine