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19-letter words containing f, o, c

  • current transformer — A current transformer is a transformer that is designed to give an accurate current ratio for the purpose of measurement and control.
  • customer preference — Customer preference is what type of product an individual customer likes and dislikes.
  • cyril of alexandria — Saint. ?375–444 ad, Christian theologian and patriarch of Alexandria. Feast day: June 27 or June 9
  • deaf without speech — (usually of a prelingually deaf person) able to utter sounds but not speak
  • deathbed confession — a confession that somebody makes just before he or she dies, usually relating to some long concealed crime or secret
  • declaration of love — a statement made by one person to another in which they say they are in love with the other person
  • deflate compression — deflate
  • dereliction of duty — Dereliction of duty is deliberate or accidental failure to do what you should do as part of your job.
  • developable surface — a surface that can be flattened onto a plane without stretching or compressing any part of it, as a circular cone.
  • diamond ring effect — a phenomenon, sometimes observed immediately before and after a total eclipse of the sun, in which one of Baily's beads is much brighter than the others, resembling a diamond ring around the moon.
  • dictionary of names — a dictionary of given names that indicates whether a name is usually male, female, or unisex and often includes origins as well as meanings; for example, as by indicating that Evangeline, meaning “good news,” comes from Greek. Used primarily as an aid in selecting a name for a baby, dictionaries of names may also include lists of famous people who have shared a name and information about its current popularity ranking.
  • difference equation — (mathematics)   A relation between consecutive elements of a sequence. The first difference is D u(n) = u(n+1) - u(n) where u(n) is the nth element of sequence u. The second difference is u(n+2) + a u(n+1) + b u(n) = 0 can be converted to a difference equation (in this case, a second order linear difference equation): D2 u(n) + p D u(n) + q u(n) = 0 and vice versa. a, b, p, q are constants.
  • diffraction grating — a band of equidistant, parallel lines, usually more than 5000 per inch (2000 per centimeter), ruled on a glass or polished metal surface for diffracting light to produce optical spectra.
  • diffraction pattern — the phenomenon exhibited by wave fronts that, passing the edge of an opaque body, are modulated, thereby causing a redistribution of energy within the front: it is detectable in light waves by the presence of a pattern of closely spaced dark and light bands (diffraction pattern) at the edge of a shadow.
  • director of studies — a member of staff at an educational institution who has responsibility for overseeing the curriculum
  • disciples of christ — a Christian denomination, founded in the U.S. by Alexander Campbell in the early part of the 19th century, that rejects all creeds, holds the Bible as a sufficient rule of faith and practice, administers baptism by immersion, celebrates the Lord's Supper every Sunday, and has a congregational polity.
  • doctrine of descent — the theory that animals and plants arose by descent from previously existing organisms; theory of evolution
  • elastic deformation — In elastic deformation a material changes shape when a stress is applied to it but goes back to its original state when the stress is removed.
  • electromotive force — a source of energy that can cause a current to flow in an electrical circuit or device
  • electrostatic field — an electric field associated with static electric charges
  • engineering factory — a factory where engineering products are made
  • entry qualification — the qualifications and conditions required to join an organization, club, etc
  • essence of bergamot — a fragrant essential oil from the fruit rind of this plant, used in perfumery and some teas (including Earl Grey)
  • expeditionary force — An expeditionary force is a group of soldiers who are sent to fight in a foreign country.
  • factitious disorder — any of various syndromes, as Münchausen syndrome, characterized by physical or psychological symptoms intentionally produced by a person and under voluntary control.
  • facultative apomict — a plant that can reproduce sexually or asexually.
  • fallacy of division — the fallacy of inferring that a property of the whole is also a property of parts or members of the whole (opposed to fallacy of composition).
  • false consciousness — a Marxist theory that people are unable to see things, especially exploitation, oppression, and social relations, as they really are; the hypothesized inability of the human mind to develop a sophisticated awareness of how it is developed and shaped by circumstances.
  • family practitioner — medical specialization in general practice, requiring training beyond that of general practice and leading to board certification.
  • farmers cooperative — an organization of farmers for marketing their products or buying supplies.
  • fashion coordinator — a person in a department store or other establishment who coordinates activities centered upon or related to fashion, as fashion themes, shows, displays, and promotion.
  • feast of dedication — Hanukkah.
  • fellow countrywoman — a fellow countrywoman is a female citizen of the same state as the person speaking, writing, or being referred to
  • female circumcision — clitoridectomy.
  • ferrite core memory — (storage)   (Or "core") An early form of non-volatile storage built (by hand) from tiny rings of magnetisable material threaded onto very fine wire to form large (e.g. 13"x13" or more) rectangluar arrays. Each core stored one bit of data. These were sandwiched between printed circuit boards(?). Sets of wires ran horizontally and vertically and where a vertical and horizontal wire crossed, a core had both wires threaded through it. A single core could be selected and magnetised by passing sufficient current through its horizontal and vertical wires. A core would retain its magnetisation until it was re-magnetised. The two possible polarities of magnetisation were used to represent the binary values zero and one. A third "sense" wire, passed through the core and, if the magnetisation of the core was changed, a small pulse would be induced in the sense wire which could be detected and used to deduce the core's original state. Some core memory was immersed in a bath of heated oil to improve its performance. Core memory was rendered obsolete by semiconductor memory. For example, the 1970s-era NCR 499 had two boards, each with 16 kilobytes of core memory.
  • fighter-interceptor — a fighter plane used for the defense of a region against air attack, especially by attacking bombers.
  • financial ombudsman — any of five British ombudsmen: the Banking Ombudsman, set up in 1986 to investigate complaints from bank customers; the Building Society Ombudsman, set up in 1987 to investigate complaints from building society customers; the Insurance Ombudsman, set up in 1981 to investigate complaints by policyholders (since 1988 this ombudsman has also operated a Unit Trust Ombudsman scheme); the Investment Ombudsman set up in 1989 to investigate complaints by investors (the Personal Investment Authority Ombudsman is responsible for investigating complaints by personal investors); and the Pensions Ombudsman, set up in 1993 to investigate complaints regarding pension schemes
  • first-sale doctrine — a legal principle allowing the purchaser of a lawfully made copy of a copyright-protected work to sell or give away that copy without permission but not to reproduce it.
  • five o'clock shadow — the rather dark stubble that appears on a man's face some hours after shaving, typically in the late afternoon if he shaved in the morning.
  • five-o'clock shadow — the rather dark stubble that appears on a man's face some hours after shaving, typically in the late afternoon if he shaved in the morning.
  • fixed cost contract — a contract in which the costs do not vary
  • fixed-term contract — a contract for a particular and fixed period
  • flag of convenience — the foreign flag under which merchant ships register in order to save on taxes or wages, or to avoid government regulations.
  • flannelmouth sucker — a sucker, Catostomus latipinnis, of the Colorado River and its tributaries.
  • fluophosphoric acid — fluorophosphoric acid.
  • focal plane shutter — an opaque shield in a camera, lying in the focal plane of the lens, that, when tripped, admits light to expose the film or plate for a predetermined period, usually a fraction of a second
  • focal-plane shutter — a camera shutter situated directly in front of the film.
  • for crying out loud — exasperation
  • foregone conclusion — an inevitable conclusion or result.
  • forensic accountant — an accountant who specializes in applying accountancy skills to the purposes of the law
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