13-letter words containing a, n, o
- acidulousness — A state of or tendency toward being acidulous or somewhat sour or acid.
- acinetobacter — a bacterium that causes infections such as pneumonia, particularly in people who have a compromised immune system
- acknowledging — Present participle of acknowledg.
- acotyledonous — Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc.
- acoustic mine — a naval mine designed to be exploded by the vibration of the propeller of a passing ship or by the sound of water along the hull.
- acquisitional — relating to the act of acquisition
- acrimoniously — caustic, stinging, or bitter in nature, speech, behavior, etc.: an acrimonious answer; an acrimonious dispute.
- acronymically — in an acronymic manner
- acrylonitrile — a colourless liquid that is miscible with water and has toxic fumes: used in the manufacture of acrylic fibres and resins, rubber, and thermoplastics. Formula: CH2:CHCN
- act one's age — anything done, being done, or to be done; deed; performance: a heroic act.
- actinobiology — the branch of biology concerned with the effects of radiation on living organisms
- actinomorphic — (esp of a flower) having radial symmetry, as buttercups
- actinomycetes — Plural form of actinomycete.
- actinomycosis — a fungal disease of cattle and of cats and dogs, sometimes transmitted to humans esp by bites, characterized by a swelling of the affected part, most often the jaw or lungs
- actinotherapy — radiotherapy, especially using ultraviolet rays.
- actinouranium — the isotope of uranium that has a mass number of 235
- action figure — a small figure of a character from a film, television programme, comic book etc, designed as a toy and often collected by enthusiasts
- action replay — An action replay is a repeated showing, usually in slow motion, of an event that has just been on television.
- 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.
- adenosquamous — Having both glandular (adenoid) and squamous characteristics.
- 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.
- admission day — any of several legal holidays celebrated individually by certain states, commemorating their admission into the Union
- admonishingly — in an admonishing manner
- 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.
- advice column — In a newspaper or magazine, the advice column contains letters from readers about their personal problems, and advice on what to do about them.
- 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.
- aerodynamical — relating to aerodynamics
- aerogenerator — a generator that is driven by winds
- aeromagnetics — the science of measuring magnetic characteristics associated with atmospheric conditions of the earth.
- aeromechanics — the mechanics of gases, esp air
- aeromodelling — the making and flying of model planes
- aerosinusitis — inflammation of the nasal sinuses caused by the effect on the sinuses of changes in atmospheric pressure.