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17-letter words containing c, h, i

  • 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.
  • armchair shopping — buying goods using a computer, telephone, or television in the home or via the postal system
  • 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.
  • assistant teacher — a person who assists a teacher in their work or who is not yet fully qualified as a teacher
  • 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.
  • attraction sphere — centrosphere (sense 1)
  • audience research — research into the make-up and habits of the audience of a particular television or radio programme or network
  • 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
  • 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.
  • 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.
  • backward chaining — (algorithm)   An algorithm for proving a goal by recursively breaking it down into sub-goals and trying to prove these until facts are reached. Facts are goals with no sub-goals which are therefore always true. Backward training is the program execution mechanism used by most logic programming language like Prolog. Opposite: forward chaining.
  • bacteriorhodopsin — a purple protein containing retinal and found in the plasma membrane of certain bacteria (genus Halobacterium): it directly supplies electrochemical energy from sunlight
  • bahia de cochinos — Spanish name of Bay of Pigs.
  • baile atha cliath — Dublin
  • baile-atha-cliath — Gaelic Baile Àtha Cliath. a seaport in and the capital of the Republic of Ireland, in the E part, on the Irish Sea.
  • behind one's back — without one's knowledge; secretly or deceitfully
  • behind the scenes — happening or conducted out of view of the general public: The behind-the-scenes preparations made the convention a huge success.
  • behind-the-scenes — If something is done behind the scenes, it is done secretly rather than publicly.
  • bergisch gladbach — city in W Germany, in the state of North Rhine-Westphalia: pop. 105,000
  • bergisch-gladbach — an industrial city in W Germany, near Cologne.
  • 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 rhythm — biorhythm.
  • biological shield — a protective shield impervious to radiation, esp the thick concrete wall surrounding the core of a nuclear reactor
  • biopharmaceutical — of or relating to drugs produced using biotechnology
  • bird's-eye chilli — a small red hot-tasting chilli
  • 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.
  • 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
  • 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.
  • breach of promise — (formerly) failure to carry out one's promise to marry
  • brezhnev doctrine — the doctrine expounded by Leonid Brezhnev in November 1968 affirming the right of the Soviet Union to intervene in the affairs of Communist countries to strengthen Communism.
  • 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.
  • buckingham palace — the London residence of the British sovereign: built in 1703, rebuilt by John Nash in 1821–36 and partially redesigned in the early 20th century
  • buttock-clenching — making one tighten the buttocks through extreme fear or embarrassment
  • buttonhole stitch — a reinforcing looped stitch for the edge of material, such as around a buttonhole
  • cache consistency — cache coherency
  • calcium hydroxide — a white crystalline slightly soluble alkali with many uses, esp in cement, water softening, and the neutralization of acid soils. Formula: Ca(OH)2
  • calcium phosphate — the insoluble nonacid calcium salt of orthophosphoric acid (phosphoric(V) acid): it occurs in bones and is the main constituent of bone ash. Formula: Ca3(PO4)2
  • carbon disulphide — a colourless slightly soluble volatile flammable poisonous liquid commonly having a disagreeable odour due to the presence of impurities: used as an organic solvent and in the manufacture of rayon and carbon tetrachloride. Formula: CS2
  • carbon microphone — a microphone in which a diaphragm, vibrated by sound waves, applies a varying pressure to a container packed with carbon granules, altering the resistance of the carbon. A current flowing through the carbon is thus modulated at the frequency of the sound waves
  • carbonyl chloride — phosgene
  • carboxyhemoglobin — a compound formed in the blood when carbon monoxide occupies the positions on the hemoglobin molecule normally taken by oxygen, resulting in cellular oxygen starvation
  • cardiogenic shock — a type of shock caused by decreased cardiac output despite adequate blood volume, owing to a disease of the heart itself, as myocardial infarction, or any other factor that interferes with the filling or emptying of the heart.
  • casting the runes — (jargon)   What a guru does when you ask him or her to run a particular program because it never works for anyone else; especially used when nobody can ever see what the guru is doing different from what J. Random Luser does. Compare incantation, runes, examining the entrails; also see the AI koan about Tom Knight.
  • castle in the air — a hope or desire unlikely to be realized; daydream
  • catastrophization — The act or process of catastrophizing.
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