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17-letter words containing a, r, c, t

  • balance of nature — the stable state in which natural communities of animals and plants exist, maintained by adaptation, competition, and other interactions between members of the communit ies and their nonliving environment
  • balance of terror — military deterrence based on the possession of weapons of mass destruction by opponents in a conflict
  • balanced literacy — a method of teaching reading in which phonics and whole language approaches are both used to maximize student learning.
  • 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.
  • baltimore clipper — a small, fast American sailing vessel of the early 19th century, having a sharp hull form and two masts with a pronounced rake and carrying a brig or schooner rig.
  • bankruptcy estate — all of the interests that a debtor has at the start of a bankruptcy case
  • 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.
  • barmecide (feast) — a pretended feast with no food
  • base rate fallacy — the tendency, when making judgments of the probability with which an event will occur, to ignore the base rate and to concentrate on other information
  • basic proposition — protocol (def 6).
  • basic service set — (networking)   (BSS) A wireless local area network and all the wireless devices (e.g. PCs and laptops) that are associated with it. A BSS may or may not include an access point and is identified by a BSSID.
  • battle-ax culture — a late Neolithic to Copper Age culture of northern Europe marked especially by the production of pottery bearing the imprint of cord and by the use of battle-axes as burial accouterments.
  • bermuda buttercup — a bulbous plant, Oxalis pescaprae, native to southern Africa, having nodding, yellow flowers.
  • 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.
  • 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 parent — a parent who has conceived (biological mother) or sired (biological father) rather than adopted a child and whose genes are therefore transmitted to the child.
  • biological rhythm — biorhythm.
  • biopharmaceutical — of or relating to drugs produced using biotechnology
  • birth certificate — Your birth certificate is an official document which gives details of your birth, such as the date and place of your birth, and the names of your parents.
  • black forest cake — a torte consisting typically of thin layers of chocolate cake spread with alternating layers of chocolate, cherry, and whipped-cream filling and covered with whipped cream
  • black swallowwort — celandine (def 1).
  • black-tailed deer — a variety of mule deer, Odocoileus hemionus columbianus, of the western slope of the Rocky Mountains, having a tail that is black above.
  • black-water fever — a form of babesiosis seen in cattle, deer, bison, water buffalo, African buffalo, and reindeer; characterized by fever, depression, jaundice, dark red-black discolouration of the urine, anaemia, and death
  • blackcurrant bush — a bush of the blackcurrant plant
  • blackout curtains — thick, lined curtains designed to shut out all daylight and keep a room in complete darkness
  • blessed sacrament — the consecrated elements of the Eucharist
  • blue dog democrat — a fiscally conservative member of the Democratic Party
  • bluegrass country — region in central Ky. where there is much bluegrass
  • boatswain's chair — a seat consisting of a short flat board slung from ropes, used to support a person working on the side of a vessel or in its rigging
  • body center plate — one of a pair of plates that fit together and support the body of a car on a truck, while allowing the truck to rotate with respect to the body. One plate (body center plate) is attached to the underside of the car body and the other (truck center plate) is part of the car truck.
  • book depreciation — Book depreciation is depreciation in a company's internal financial records that is different from the amount that is used for taxes.
  • branch delay slot — delayed control-transfer
  • branch prediction — (processor, algorithm)   A technique used in some processors with instruction prefetch to guess whether a conditional branch will be taken or not and prefetch code from the appropriate location. When a branch instruction is executed, its address and that of the next instruction executed (the chosen destination of the branch) are stored in the Branch Target Buffer. This information is used to predict which way the instruction will branch the next time it is executed so that instruction prefetch can continue. When the prediction is correct (and it is over 90% of the time), executing a branch does not cause a pipeline break. Some later CPUs simply prefetch both paths instead of trying to predict which way the branch will go. An extension of the idea of branch prediction is speculative execution.
  • break the back of — to complete the greatest or hardest part of (a task)
  • bricks and mortar — You can use bricks and mortar to refer to houses and other buildings, especially when they are considered as an investment.
  • british cameroons — a former British trust territory of West Africa
  • british columbian — of or relating to British Columbia or its inhabitants
  • british-cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
  • brocot escapement — a type of anchor escapement.
  • brokerage account — A brokerage account is an account with a broker where an investor can buy and sell and hold securities.
  • brompton cocktail — an analgesic mixture, usually containing morphine and cocaine and sometimes other narcotic substances in an alcohol solution, administered primarily to advanced cancer patients.
  • budgetary control — a system of managing a business by applying a financial value to each forecast activity. Actual performance is subsequently compared with the estimates
  • budgetary deficit — the amount by which government expenditure exceeds income from taxation, customs duties, etc, in any one fiscal year
  • buncher resonator — See under Klystron.
  • bureau of customs — former name of the United States Customs Service.
  • bureaucratization — to divide an administrative agency or office into bureaus.
  • caa the feet frae — to send (a person) sprawling
  • cabbage butterfly — a common white butterfly (Pieris rapae) whose green larvae feed upon cabbage and related plants
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