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17-letter words containing t, r, a

  • antihypertensives — Plural form of antihypertensive.
  • antimaterialistic — Opposing materialism.
  • antimycobacterial — (medicine) That counteracts the effects of mycobacteria.
  • antiproliferation — opposing an increase in nuclear weapons, especially in allowing additional countries to obtain them.
  • antiproliferative — of or relating to a substance used to prevent or retard the spread of cells, especially malignant cells, into surrounding tissues.
  • antiprostaglandin — A prostaglandin inhibitor.
  • antirevolutionary — opposed to revolution, esp opposed to a particular revolution and the people who are carrying it out
  • antitwilight arch — a narrow band, pink or with a purple cast, that sometimes appears at twilight just above the horizon opposite the sun.
  • antivirus program — antivirus software
  • anytime algorithm — (algorithm)   An algorithm that returns a sequence of approximations to the correct answer such that each approximation is no worse than the previous one, i.e. the algorithm can be stopped at _any time_. x = (x + b / x) / 2 Each new x is closer to the square root than the previous one. Applications might include a real-time control system or a chess program that is allowed a fixed thinking time.
  • apartment complex — An apartment complex is a group of buildings that contain apartments and are managed by the same company.
  • aperture priority — an automatic exposure system in which the photographer selects the aperture and the camera then automatically sets the correct shutter speed
  • aperture-priority — of or relating to a semiautomatic exposure system in which the photographer presets the aperture and the camera selects the shutter speed.
  • api gravity scale — the American Petroleum Institute gravity scale: a universally accepted scale of the relative density of fluids that is used in fuel technology and is measured in degrees API. One degree API is equal to (141.5/d)–131.5, where d = relative density at 288.7K
  • apostolic fathers — the Fathers of the early Church who immediately followed the Apostles
  • appalachian trail — hiking trail extending from central Me. to N Ga., along the Appalachian Mountains: c. 2,050 mi (3,299 km)
  • apparent movement — the sensation of seeing movement when nothing actually moves in the environment, as when two neighbouring lights are switched on and off in rapid succession
  • application layer — (networking)   The top layer of the OSI seven layer model. This layer handles issues like network transparency, resource allocation and problem partitioning. The application layer is concerned with the user's view of the network (e.g. formatting electronic mail messages). The presentation layer provides the application layer with a familiar local representation of data independent of the format used on the network.
  • appointed actuary — An appointed actuary is an actuary appointed by a life insurance company, whose main role is to carry out a regular valuation of the reserves held to pay future policy benefits.
  • archconfraternity — a confraternity having the right to associate itself with confraternities that are similar to it, and to impart to them its privileges and indulgences.
  • archconservatives — Plural form of archconservative.
  • architect's table — a table having a surface consisting of a drawing board adjustable to various heights and angles.
  • architectonically — In terms of architectonics.
  • argumentativeness — fond of or given to argument and dispute; disputatious; contentious: The law students were an unusually argumentative group.
  • aristolochiaceous — belonging to the Aristolochiaceae, the birthwort family of plants.
  • arithmetic-series — a sequence in which each term is obtained by the addition of a constant number to the preceding term, as 1, 4, 7, 10, 13, and 6, 1, −4, −9, −14.
  • arlington heights — village in NE Ill.: suburb of Chicago: pop. 76,000
  • armaments factory — a factory for producing armaments
  • armature reaction — a change in the magnetic field of a dynamo caused by the magnetic field induced by the current flowing through the armature.
  • aromatic compound — an organic compound that contains one or more benzene or equivalent heterocyclic rings: many such compounds have an agreeable odor.
  • around the corner — If you say that something is around the corner, you mean that it will happen very soon. In British English, you can also say that something is round the corner.
  • arresting officer — the police officer making an arrest
  • articulated joint — Anatomy. a flexible joint.
  • articulated lorry — a lorry made in two separate sections, a tractor and a trailer, connected by a pivoted bar
  • articulatory loop — a short-term memory system that enables a person to remember short strings of words by rehearsing them repeatedly in his head
  • artificial kidney — a mechanical apparatus for performing haemodialysis
  • artificial person — a human being, whether an adult or child: The table seats four persons.
  • artistic director — a person in charge of the artistic direction of a theatre company
  • as far as it goes — If you say that something is good as far as it goes or true so far as it goes, you mean that it is good or true only to a limited extent.
  • as the crow flies — If you say that a place is a particular distance away as the crow flies, you mean that it is that distance away measured in a straight line.
  • ascend the throne — to become king or queen
  • ascertained goods — specific goods
  • ashton-under-lyne — a town in NW England, in Tameside unitary authority, Greater Manchester. Pop: 43 236 (2001)
  • ask for the check — If you ask for the check, you ask the waitperson in a restaurant to bring you a piece of paper on which the price of your meal is written.
  • assembly district — one of a fixed number of districts into which a state is divided, each district electing one member to the lower house of the state legislature.
  • assessment centre — a set of selection procedures designed to recruit the best candidate or candidates to fill a job vacancy; it usually takes place over a day or two and is run by specialist staff
  • assistant driller — An assistant driller is someone whose job is to help a driller, and work at the drilling controls on the rig floor.
  • assistant manager — a person who assists a manager in their work
  • assistant referee — An assistant referee is the same as a linesman.
  • assistant teacher — a person who assists a teacher in their work or who is not yet fully qualified as a teacher
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