16-letter words containing a, u, t
- atomic structure — the concept of an atom as a central positively charged nucleus consisting of protons and neutrons surrounded by a number of electrons. The number of electrons is equal to the number of protons: the whole entity is thus electrically neutral
- atrioventricular — of, relating to, or affecting both the atria and the ventricles of the heart
- attitude of mind — Your attitude of mind is your general way of thinking and feeling.
- attitude problem — a frame of mind perceived by others to be hostile or uncooperative
- attributive noun — a noun that occurs before and modifies another noun, as toy in toy store or tour in tour group.
- auction pinochle — a variety of pinochle for three to five players in which, for every hand, there are three active players, each dealt 15 cards, with the highest bidder winning the contract and playing against the other two active opponents.
- auditory aphasia — aphasia in which there is no comprehension of spoken words; word deafness.
- auditory vesicle — the pouch that is formed by the invagination of an ectodermal placode and that develops into the internal ear.
- aureate language — a style of poetic diction, used originally in 15th-century English poetry, characterized by the use of ornate phrases and Latinized coinages.
- aurora australis — the aurora seen around the South Pole
- australian crawl — a stroke in which the feet are kicked like paddles while the arms reach forward and pull back through the water
- australian rules — a game resembling rugby football, played in Australia between teams of 18 men each on an oval pitch, with a ball resembling a large rugby ball. Players attempt to kick the ball between posts (without crossbars) at either end of the pitch, scoring six points for a goal (between the two main posts) and one point for a behind (between either of two outer posts and the main posts). They may punch or kick the ball and run with it provided that they bounce it every ten yards
- australopithecus — an extinct genus of small-brained,large-toothed bipedal hominids that lived in Africa between one and four million years ago.
- austro-hungarian — of or relating to the Dual Monarchy of Austria-Hungary (1867–1918)
- authentification — The process of making, or establishing as, authentic.
- authoritarianism — Authoritarianism is the state of being authoritarian or the belief that people with power, especially the State, have the right to control other people's actions.
- authority figure — a person whose real or apparent authority over others inspires or demands obedience and emulation: Parents, teachers, and police officers are traditional authority figures for children.
- autobiographical — An autobiographical piece of writing relates to events in the life of the person who has written it.
- autobogotiphobia — bogotify
- autodidactically — a person who has learned a subject without the benefit of a teacher or formal education; a self-taught person.
- autoethnographic — Using ethnographic techniques to describe one's own life, or events in which one is a participant.
- autofluorescence — (biology, microscopy) Self-induced fluorescence.
- autoimmunization — antibody production by an organism in response to and against any of its own tissues, cells, or cell components.
- autointoxication — self-poisoning caused by absorption of toxic products originating within the body
- automanipulation — physical stimulation of one's own genitals.
- automatic camera — a camera in which the lens aperture or the shutter speed or both are automatically adjusted to the prevailing conditions
- automatic pistol — a type of pistol having a mechanism that throws out the empty shell, puts in a new one, and prepares the pistol to be fired again.
- automatic redial — a telephone service feature whereby the last number dialed is automatically called again, either after a specified time or when activated by the user.
- automatic repeat — a key on the keyboard of a typewriter, computer, etc, which, when depressed continuously, produces the character repeatedly until the key is released
- automatrix, inc. — (company) The company which produced CAM-PC. Address: Ballston Spa, NY, USA.
- autoradiographic — Of or pertaining to an autoradiograph, a radiographic image produced by the decay of a radioactive substance.
- autoregressively — In an autoregressive manner.
- autostereoscopic — Of or pertaining to autostereoscopy.
- autotransformers — Plural form of autotransformer.
- autotransfusions — Plural form of autotransfusion.
- autumnal equinox — the time at which the sun crosses the plane of the equator away from the relevant hemisphere, making day and night of equal length. It occurs about Sept 23 in the N hemisphere (March 21 in the S hemisphere)
- auxiliary rafter — a rafter reinforcing a principal rafter.
- average adjuster — a person who calculates average claims, esp for marine insurance
- balkan mountains — a mountain range extending across Bulgaria from the Black Sea to the eastern border. Highest peak: Mount Botev, 2376 m (7793 ft)
- baluster measure — an antique liquid measure usually made of pewter, having a concave top on a convex base.
- bankruptcy court — a section of the United States federal court which specializes in the handling of bankruptcy cases
- bankruptcy order — a court order appointing a receiver to manage the property of a debtor or bankrupt
- banned substance — In sport, banned substances are drugs that competitors are not allowed to take because they could artificially improve their performance.
- barbecue stopper — a controversial current-affairs issue
- barbed tributary — a tributary that joins its mainstream in an upstream direction rather than in the more common downstream direction.
- barium carbonate — a white, poisonous, water-insoluble powder, BaCO 3 , used chiefly in the manufacture of rodenticides, paints, and dyes.
- baron tweedsmuir — the title of Scottish novelist John Buchan
- bartholomeu dias — Bartholomeu [bahr-too-loo-me-oo] /ˌbɑr tʊ lʊˈmɛ ʊ/ (Show IPA), c1450–1500, Portuguese navigator: discoverer of the Cape of Good Hope.
- bastard culverin — a 16th-century cannon, smaller than a culverin, firing a shot of between 5 and 8 pounds (11 and 17.6 kg).
- bastard daughter — an illegitimate daughter