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15-letter words containing p, o, r

  • family grouping — a system, used usually in the infant school, of grouping children of various ages together, esp for project work
  • fencepost error — 1. (Rarely "lamp-post error") A problem with the discrete equivalent of a boundary condition, often exhibited in programs by iterative loops. From the following problem: "If you build a fence 100 feet long with posts 10 feet apart, how many posts do you need?" (Either 9 or 11 is a better answer than the obvious 10). For example, suppose you have a long list or array of items, and want to process items m through n; how many items are there? The obvious answer is n - m, but that is off by one; the right answer is n - m + 1. The "obvious" formula exhibits a fencepost error. See also zeroth and note that not all off-by-one errors are fencepost errors. The game of Musical Chairs involves a catastrophic off-by-one error where N people try to sit in N - 1 chairs, but it's not a fencepost error. Fencepost errors come from counting things rather than the spaces between them, or vice versa, or by neglecting to consider whether one should count one or both ends of a row. 2. (Rare) An error induced by unexpected regularities in input values, which can (for instance) completely thwart a theoretically efficient binary tree or hash coding implementation. The error here involves the difference between expected and worst case behaviours of an algorithm.
  • file descriptor — (programming, operating system)   An integer that identifies an open file within a process. This number is obtained as a result of opening a file. Operations which read, write, or close a file would take the file descriptor as an input parameter. In many operating system implementations, file descriptors are small integers which index a table of open files. In Unix, file descriptors 0, 1 and 2 correspond to the standard input, standard output and standard error files respectively. See file descriptor leak.
  • finger-pointing — the imputation of blame or responsibility.
  • fire prevention — safety measures to decrease fire risk
  • fire water pond — A fire water pond is an area of water which is kept so it can be used if there is a fire.
  • first responder — a person who is certified to provide medical care in emergencies before more highly trained medical personnel arrive on the scene: a firefighter trained as a first responder.
  • fission product — a nuclide produced either directly by nuclear fission or by the radioactive decay of such a nuclide
  • fissiparousness — The quality of being fissiparous.
  • flapping router — (networking)   A router that transmits routing updates alternately advertising a destination network first via one route, then via a different route. Flapping routers are identified on more advanced protocol analysers such as the Network General (TM) Sniffer.
  • flock wallpaper — a type of wallpaper with a raised pattern
  • floral envelope — the calyx and corolla of a flower.
  • flow of spirits — natural happiness
  • flowering maple — any of various shrubs belonging to the genus Abutilon, of the mallow family, having large, bright-colored flowers.
  • flowering plant — a plant that produces flowers, fruit, and seeds; angiosperm.
  • fluorophosphate — a salt or ester of a fluorophosphoric acid.
  • food processing — transforming raw materials into food
  • fool's paradise — a state of enjoyment based on false beliefs or hopes; a state of illusory happiness.
  • foolscap quarto — a book size, 63⁄4 by 81⁄2 inches (foolscap quarto)
  • football player — sportsperson: plays football
  • for pity's sake — You can say for pity's sake to add emphasis to what you are saying, especially when you are annoyed or upset.
  • for the present — being, existing, or occurring at this time or now; current: increasing respect for the present ruler of the small country.
  • for their pains — You say that something was all you got for your pains when you are mentioning the disappointing result of situation into which you put a lot of work or effort.
  • force de frappe — a military strike force, esp the independent nuclear strike force of France
  • fore-topgallant — being a sail, yard, or rigging belonging to a fore-topgallant mast.
  • forensic expert — an expert in applying scientific, technical or medical knowledge to the purposes of law
  • form an opinion — decide what you think
  • former prophets — a subdivision of the books constituting the second main part of the Hebrew Bible, Joshua, Judges, I-II Samuel, and I-II Kings
  • four-poster bed — bed: post at each corner
  • fourteen points — a statement of the war aims of the Allies, made by President Wilson on January 8, 1918.
  • fourteen-points — a statement of the war aims of the Allies, made by President Wilson on January 8, 1918.
  • fourth position — a position in which the feet are at right angles to the direction of the body, the toes pointing out, with one foot forward and the other foot back.
  • fourth republic — the republic established in France in 1945 and replaced by the Fifth Republic in 1958.
  • franz joseph ii — 1906–1989, prince of Liechtenstein 1938–89.
  • frederic chopin — Frédéric François [fred-uh-rik fran-swah,, fred-rik;; French frey-dey-reek frahn-swa] /ˈfrɛd ə rɪk frænˈswɑ,, ˈfrɛd rɪk;; French freɪ deɪˈrik frɑ̃ˈswa/ (Show IPA), 1810–49, Polish composer and pianist, in France after 1831.
  • free atmosphere — the part of the atmosphere that lies above the frictional influence of the earth's surface.
  • free soil party — a former U.S. political party (1848–56) that opposed the extension of slavery in the Territories not yet admitted to statehood.
  • frigidoreceptor — a receptor stimulated by cold.
  • from top to toe — You can use from top to toe to emphasize that the whole of someone's body is covered or dressed in a particular thing or type of clothing.
  • front-page news — a story printed on the first page of a newspaper
  • funeral parlour — A funeral parlour is a place where a funeral director works and where dead people are prepared for burial or cremation.
  • furniture depot — a shop that sells the movable, generally functional, articles that equip a room, house, etc
  • fusospirillosis — (medicine) alternative name of acute necrotizing ulcerative gingivitis.
  • fusospirochetal — Relating to fusospirochetes.
  • fusospirochetes — Plural form of fusospirochete.
  • gaming platform — a computer system specially made for playing video games; a console: The new gaming platforms have much better graphics resolution than previous generation consoles.
  • garrison troops — troops who maintain and guard a military base or fortified place
  • gender politics — debate about the roles and relations of men and women
  • general-purpose — useful in many ways; not limited in use or function: a good general-purpose dictionary.
  • geneva protocol — the agreement in 1925 to ban the use of asphyxiating, poisonous, or other gases in war. It does not ban the development or manufacture of such gases
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