15-letter words containing a, i, t, o
- adjectivization — Grammar. to make into an adjective, as by adding a suffix: The noun mirth can be adjectivized by adding -ful or -less to form the adjectives mirthful and mirthless.
- adlai stevenson — Adlai Ewing [ad-ley yoo-ing] /ˈæd leɪ ˈyu ɪŋ/ (Show IPA), 1835–1914, vice president of the U.S. 1893–97.
- administrations — Plural form of administration.
- admiralty cloth — melton cloth, used for coats and jackets, especially for the naval service.
- admiralty court — the court that has jurisdiction in matters relating to maritime law
- admiralty house — the official residence of the Governor General of Australia, in Sydney
- adoption agency — an agency that matches children needing adoption with people willing to adopt
- adoption papers — documentation relating to the adoption of a particular child
- adrenalectomies — Plural form of adrenalectomy.
- adult education — Adult education is education for adults in a variety of subjects, most of which are practical, not academic. Classes are often held in the evenings.
- aegyptopithecus — a genus of extinct anthropoid ape of the Oligocene Period known from remains found in Egypt.
- aerodynamicists — Plural form of aerodynamicist.
- aerotitis media — temporary deafness and pain arising from traumatic inflammation of the middle ear, caused by a rapid change in barometric pressure, as a rise in ambient cabin pressure in an aircraft descending from high altitude for landing.
- affine geometry — the branch of geometry dealing with affine transformations.
- after a fashion — If you say that something was done after a fashion, you mean that it was done, but not very well.
- age-appropriate — Something that is age-appropriate is suitable for the age that a person is.
- agranulocytosis — a serious and sometimes fatal illness characterized by a marked reduction of leucocytes, usually caused by hypersensitivity to certain drugs
- agree to differ — to end an argument amicably while maintaining differences of opinion
- agro-industrial — the large-scale production, processing, and packaging of food using modern equipment and methods.
- air conditioned — If a room or vehicle is air conditioned, the air in it is kept cool and dry by means of a special machine.
- air conditioner — An air conditioner is a machine which keeps the air in a building cool and dry.
- air-superiority — designating a fighter aircraft built for long patrol capability at high altitudes and supersonic speeds, with air-to-air combat as its principal mission.
- airborne attack — an attack involving airborne troops
- airconditioning — Alternative spelling of air conditioning.
- airmail edition — an edition of a newspaper that is printed on very thin paper so it is easier and cheaper to distribute
- albert memorial — monument to Prince Albert of England in Kensington Gardens, London: 175 ft (53 m) high
- algorithmically — Using an algorithm.
- alligator shear — heavy shears for cutting metal slabs.
- allorecognition — The ability of an individual organism to distinguish its own tissues from those of another.
- allotetraploidy — the condition of being an allotetraploid
- allotriomorphic — (of minerals) not having their own regular shape (as determined by their internal structure) but being shaped instead by adjacent minerals
- almighty dollar — money regarded as a major goal in life or as the basis of power: Love of the almighty dollar has ruined many people.
- almirante brown — a city in E Argentina, near Buenos Aires.
- alopecia areata — loss of hair in circumscribed patches.
- alpha radiation — alpha particles emitted from a radioactive isotope
- alphabetisation — The act or process of arranging in alphabetical order.
- alphabetization — Alternative form of alphabetisation.
- alpine accentor — a small bird of the sparrow family, Prunella collaris, found especially in mountain regions of S Europe and Asia
- alta california — a former Spanish colony of New Spain, in the modern-day states of California, Nevada, and N Arizona: ceded by Mexico to the United States 1848.
- altai mountains — a mountain system of central Asia, in W Mongolia, W China, and S Russia. Highest peak: Belukha, 4506 m (14 783 ft)
- alte pinakothek — a museum in Munich housing a collection of paintings dating from the Middle Ages to the late 18th century
- aluminosilicate — a silicate in which some of the silicon in the tetrahedral unit SiO4 has been replaced by aluminium
- aluminum borate — a white, granular, water-insoluble powder, 2Al 2 O 3 ⋅B 2 O 3 ⋅3H 2 O, used chiefly in the manufacture of crown glass.
- ambrosia beetle — any of various small beetles of the genera Anisandrus, Xyleborus, etc, that bore tunnels into solid wood, feeding on fungi growing in the tunnels: family Scolytidae (bark beetles)
- ambrosian chant — the liturgical chant, established by Saint Ambrose, characterized by ornamented, often antiphonal, singing.
- amegakaryocytic — Characterized by a lack of megakaryocytes.
- amenity society — a voluntary society established with the purpose of preserving historic art and architecture
- american cotton — upland cotton.
- american gothic — a painting (1930) by Grant Wood.
- american smooth — a style of competitive ballroom dancing which incorporates elements of Latin dance