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17-letter words containing t, h, r

  • antihypertensives — Plural form of antihypertensive.
  • antitwilight arch — a narrow band, pink or with a purple cast, that sometimes appears at twilight just above the horizon opposite the sun.
  • 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.
  • 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)
  • 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.
  • 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
  • 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.
  • 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
  • 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.
  • assistant teacher — a person who assists a teacher in their work or who is not yet fully qualified as a teacher
  • astrophotographer — A person, especially an astronomer, who takes photographs of the stars.
  • at the request of — in accordance with the specific demand or wish of (someone)
  • at the service of — To be at the service of a person or organization means to be available to help or be used by that person or organization.
  • at their own game — If you beat someone at their own game, you use the same methods that they have used, but more successfully, so that you gain an advantage over them.
  • attachment theory — a set of concepts that explain the emergence of an emotional bond between an infant and primary caregiver and the way in which this bond affects the child’s behavioral and emotional development into adulthood. See also attachment (def 3a).
  • attraction sphere — centrosphere (sense 1)
  • australopithecine — any of various extinct apelike primates of the genus Australopithecus and related genera, remains of which have been discovered in southern and E Africa. Some species are estimated to be over 4.5 million years old
  • authoritativeness — having due authority; having the sanction or weight of authority: an authoritative opinion.
  • authority control — the establishment and maintainance of consistent forms of terms, as of names, subjects, and titles, to be used as headings in bibliographic records.
  • bachelor's button — any of several plants of a genus (Centaurea) of the composite family, that have scaly, vase-shaped bracts below the white, pink, or blue flowers; esp., the cornflower and knapweed
  • bachelor's-button — any of various plants with round flower heads, especially the cornflower.
  • back on the rails — If something is back on the rails, it is beginning to be successful again after a period when it almost failed.
  • bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
  • bald-faced hornet — any large, stinging paper wasp of the family Vespidae, as Vespa crabro (giant hornet) introduced into the U.S. from Europe, or Vespula maculata (bald-faced hornet or white-faced hornet) of North America.
  • barchester towers — a novel (1857) by Anthony Trollope.
  • barkhausen effect — the phenomenon of short, sudden changes in the magnetism of a ferromagnetic substance occurring when the intensity of the magnetizing field is continuously altered.
  • bartholin's gland — either of two small glands near the vaginal opening: during sexual excitement they secrete a mucous lubricating substance
  • baseboard heating — a heating system by pipes, through which steam or hot water circulates, near the base of the walls of rooms
  • bathroom fittings — plumbing fixtures or accessories suitable for use in a bathroom
  • be on tenterhooks — If you are on tenterhooks, you are very nervous and excited because you are wondering what is going to happen in a particular situation.
  • be on the rebound — If you say that someone is on the rebound, you mean that they have just ended a relationship with a girlfriend or boyfriend. This often makes them do things they would not normally do.
  • be over the limit — If someone is over the limit, they have drunk more alcohol than they are legally allowed to when driving a vehicle.
  • beat a dead horse — to argue an issue that is already settled
  • beat the drum for — to attempt to arouse interest in
  • behaviour therapy — any of various means of treating psychological disorders, such as desensitization, aversion therapy, and instrumental conditioning, that depend on the patient systematically learning new modes of behaviour
  • bell-hanger's bit — a bit for drilling small holes through studs or the like.
  • belted kingfisher — a grayish-blue, North American kingfisher, Ceryle alcyon, having a white breast marked with a grayish-blue band.
  • best first search — (algorithm)   A graph search algorithm which optimises breadth first search by ordering all current paths according to some heuristic. The heuristic attempts to predict how close the end of a path is to a solution. Paths which are judged to be closer to a solution are extended first. See also beam search, hill climbing.
  • bighorn mountains — range of the Rocky Mountains in N Wyo. and S Mont.: highest peak, 13,165 ft (4,013 m)
  • biological father — the man whose semen fertilized the ovum from which a child was born
  • biological mother — the mother who gave birth to a child
  • biological rhythm — biorhythm.
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