16-letter words containing t, r, i, u, a
- auditory vesicle — the pouch that is formed by the invagination of an ectodermal placode and that develops into the internal ear.
- 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)
- 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.
- autoethnographic — Using ethnographic techniques to describe one's own life, or events in which one is a participant.
- automatic camera — a camera in which the lens aperture or the shutter speed or both are automatically adjusted to the prevailing conditions
- 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.
- autotransfusions — Plural form of autotransfusion.
- auxiliary rafter — a rafter reinforcing a principal rafter.
- 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).
- batch production — production of goods in batches, rather than continuously
- beauty therapist — a person whose job is to carry out treatments to improve a person's appearance, such as facials, manicures, removal of unwanted hair, etc
- belgian tervuren — one of a Belgian breed of medium-sized dogs having a long, straight coat, fawn to mahogany in color, differing from the Belgian sheepdog only in color.
- bermuda triangle — an area in the Atlantic Ocean bounded by Bermuda, Puerto Rico, and Florida where ships and aeroplanes are alleged to have disappeared mysteriously
- birthday honours — (in Britain) honorary titles conferred on the official birthday of the sovereign
- bordeaux mixture — a fungicide consisting of a solution of equal quantities of copper sulphate and quicklime
- boundary dispute — dispute between neighbours about the boundary between their properties
- branchiopneustic — breathing by means of gills, as certain aquatic insect larvae.
- brass instrument — a musical wind instrument of brass or other metal with a cup-shaped mouthpiece, as the trombone, tuba, French horn, trumpet, or cornet.
- british columbia — a province of W Canada, on the Pacific coast: largely mountainous with extensive forests, rich mineral resources, and important fisheries. Capital: Victoria. Pop: 4 400 057 (2011 est). Area: 930 532 sq km (359 279 sq miles)
- british honduras — Belize
- buckthorn family — the plant family Rhamnaceae, characterized by shrubs and trees having alternate, simple leaves, clusters of small flowers, and fruit in the form of a drupe or capsule, and including the buckthorn, cascara, and New Jersey tea.
- bullet-resistant — not allowing bullets to pass through
- bunker mentality — a defensive attitude in which others are seen as hostile or potentially hostile
- bureaucratically — of, relating to, or characteristic of a bureaucrat or a bureaucracy; arbitrary and routine.
- burkitt lymphoma — a rare type of tumour of the white blood cells, occurring mainly in Africa and associated with infection by Epstein-Barr virus
- burnet saxifrage — a Eurasian umbelliferous plant of the genus Pimpinella, having umbrella-like clusters of white or pink flowers
- buttercup family — the plant family Ranunculaceae, typified by mostly herbaceous plants having usually alternate leaves, multistaminate flowers sometimes lacking petals but with colorful sepals, and including the anemone, buttercup, clematis, columbine, delphinium, and monkshood.
- byzantine church — Orthodox Church (def 1).
- caducibranchiate — (of many amphibians, such as frogs) having gills during one stage of the life cycle only
- calcium arsenate — a toxic, white powder, Ca3(AsO4)2, used as an insecticide in the form of a spray or dust
- calculate a risk — If you calculate a risk, you decide how likely an event is, whether the insurer should underwrite the risk, and at what cost.
- canaries current — an ocean current of the North Atlantic flowing southward past Spain and North Africa.
- cardinal virtues — the most important moral qualities, traditionally justice, prudence, temperance, and fortitude
- caricature plant — a tropical Old World shrub, Graptophyllum pictum, of the acanthus family, characterized by purple or red tubular flowers and leaf markings resembling the profile of a human face.
- carpatho-ukraine — a region in W Ukraine: ceded by Czechoslovakia in 1945.