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15-letter words containing r, f, c

  • emergency force — a group of soldiers whose job it is to respond to emergencies: for example, to keep order, or to deliver food and medical supplies in a natural disaster
  • enfranchisement — The act of enfranchising.
  • errand of mercy — a trip undertaken to help someone who is in trouble
  • existence proof — non-constructive proof
  • fabric softener — a substance added to fabrics during laundering to make them puffier and softer.
  • facile princeps — an obvious leader
  • factor analysis — the use of one of several methods for reducing a set of variables to a lesser number of new variables, each of which is a function of one or more of the original variables.
  • factory chimney — a tall chimney of a factory
  • factory farming — Factory farming is a system of farming which involves keeping animals indoors, often with very little space, and giving them special foods so that they grow more quickly or produce more eggs or milk.
  • faculty advisor — a member of the faculty who gives advice to students
  • fall cankerworm — the striped, green caterpillar of any of several geometrid moths: a foliage pest of various fruit and shade trees, as Paleacrita vernata (spring cankerworm) and Alsophila pometaria (fall cankerworm)
  • fall from grace — elegance or beauty of form, manner, motion, or action: We watched her skate with effortless grace across the ice. Synonyms: attractiveness, charm, gracefulness, comeliness, ease, lissomeness, fluidity. Antonyms: stiffness, ugliness, awkwardness, clumsiness; klutziness.
  • false buckthorn — a spiny shrub or small tree, Bumelia lanuginosa, of the sapodilla family, native to the southern U.S., having gummy, milky sap and white, bell-shaped flowers and yielding a hard, light-brown wood.
  • false decretals — the Pseudo-Isidorian documents.
  • false pregnancy — physiological signs of pregnancy without conception; pseudocyesis.
  • false pretences — fraud, deception
  • family practice — medical specialization in general practice, requiring training beyond that of general practice and leading to board certification.
  • fantasmagorical — Alternative form of phantasmagorical.
  • farm gate price — the price for the sale of farm produce direct from the producer
  • fault tolerance — (architecture)   1. The ability of a system or component to continue normal operation despite the presence of hardware or software faults. This often involves some degree of redundancy. 2. The number of faults a system or component can withstand before normal operation is impaired.
  • featherstitched — Simple past tense and past participle of featherstitch.
  • feature article — a feature article in a newspaper or magazine deals in depth with a topic or person
  • fee-for-service — pertaining to the charging of fees for specific services rendered in health care, as distinguished from participating in a prepaid medical practice: fee-for-service medicine.
  • feelgood factor — When journalists refer to the feelgood factor, they mean that people are feeling hopeful and optimistic about the future.
  • fellow creature — a kindred creature, especially a fellow human being.
  • 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.
  • ferric chloride — a compound that in its anhydrous form, FeCl 3 , occurs as a black-brown, water-soluble solid; in its hydrated form, FeCl 3 ⋅xH 2 O, it occurs in orange-yellow, deliquescent crystals: used chiefly in engraving, for deodorizing sewage, as a mordant, and in medicine as an astringent and styptic.
  • ferroelasticity — (physics) A phenomenon, analogous to ferromagnetism and ferroelectricity, in which spontaneous strain arises within a material.
  • fetch and carry — to go and bring back; return with; get: to go up a hill to fetch a pail of water.
  • fibrocartilages — Plural form of fibrocartilage.
  • fideicommissary — the recipient of a fideicommissum.
  • fiduciary issue — an issue of banknotes not backed by gold
  • fighter command — a former unit of the Royal Air Force dedicated to the use of fighter aircraft, esp against enemy bombers and their escorts during WWII
  • fighting french — Free French.
  • 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.
  • filemaker, inc. — (company)   The company that distributes the FileMaker database. FileMaker, Inc. was previously known as Claris and was renamed after a restructuring in January 1998.
  • fire resistance — the amount of resistance of a material or construction to fire.
  • fireless cooker — an insulated container that seals in heat to cook food.
  • first principle — any axiom, law, or abstraction assumed and regarded as representing the highest possible degree of generalization.
  • first secretary — The First Secretary of the Welsh Assembly is the leader of the ruling party.
  • first-day cover — a cover marked so as to indicate that it was mailed on the first day of issue of the stamp it bears and from one of the cities at which the stamp was issued on that day.
  • fischer-dieskau — Dietrich [dee-trik;; German dee-trikh] /ˈdi trɪk;; German ˈdi trɪx/ (Show IPA), 1925–2012, German baritone.
  • fission product — a nuclide produced either directly by nuclear fission or by the radioactive decay of such a nuclide
  • fission reactor — a nuclear reactor in which a fission reaction takes place
  • fitness tracker — a wearable electronic device or a software application that monitors one's physical fitness and daily physical activity.
  • flame-arc light — an arc light that uses flame carbons to colour the arc
  • flatbed scanner — a type of optical scanner having a flat, stationary surface on which a page is scanned by a moving head.
  • flavor enhancer — a substance added to food in order to enhance or intensify its flavor: Salt is a common flavor enhancer.
  • flavourdynamics — as in quantum flavour dynamics, a mathematical model used to describe the interaction of flavoured particles (weak force) through the exchange of intermediate vector bosons
  • fleet insurance — Fleet insurance is a type of insurance contract that applies to a number of vehicles.
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