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16-letter words containing r, f, c

  • electrical fault — a fault caused by something electrical
  • electronic flash — Photography
  • energy-efficient — A device or building that is energy-efficient uses relatively little energy to provide the power it needs.
  • engineer officer — a ship's officer who is qualified to be in charge of the vessel's propulsion and other machinery
  • error of closure — the amount by which a computed, plotted, or observed quantity or position differs from the true or established one, esp when plotting a closed traverse
  • executive relief — sexual intercourse or masturbation
  • extrinsic factor — vitamin B12
  • face recognition — the ability of a computer to scan, store, and recognize human faces for use in identifying people
  • facial neuralgia — paroxysmal darting pain and muscular twitching in the face, evoked by rubbing certain points of the face.
  • factor of safety — the ratio of the maximum stress that a structural part or other piece of material can withstand to the maximum stress estimated for it in the use for which it is designed.
  • fahrenheit scale — Gabriel Daniel [German gah-bree-el dah-nee-el] /German ˈgɑ briˌɛl ˈdɑ niˌɛl/ (Show IPA), 1686–1736, German physicist: devised a temperature scale and introduced the use of mercury in thermometers.
  • fair-trade price — the price set for a commodity by the Fairtrade Foundation
  • false beechdrops — either of two parasitic or saprophytic plants of the genus Monotropa, especially the tawny or reddish M. hypopithys (false beechdrops) of eastern North America.
  • family of curves — a collection of curves whose equations differ only by values assigned a parameter or parameters.
  • fancy dress ball — a ball at which the guests wear fancy dress
  • fandango on core — (jargon, programming)   (Unix/C, from the Mexican dance) In C, a wild pointer that runs out of bounds, causing a core dump, or corrupts the malloc arena in such a way as to cause mysterious failures later on, is sometimes said to have "done a fandango on core". On low-end personal machines without an MMU, this can corrupt the operating system itself, causing massive lossage. Other frenetic dances such as the rhumba, cha-cha, or watusi, may be substituted. See aliasing bug, precedence lossage, smash the stack, memory leak, memory smash, overrun screw, core.
  • farmer's reducer — a solution of ferricyanide and hypo for reducing density and increasing contrast in a negative.
  • farmhouse cheese — cheese that is made by traditional methods, on or as if on a farm
  • father christmas — Santa Claus.
  • father confessor — confessor (def 2).
  • feather merchant — a person who avoids responsibility and effort; loafer.
  • feature creature — [Possibly from slang "creature feature" for a horror movie] 1. One who loves to add features to designs or programs, perhaps at the expense of coherence, concision or taste. 2. Alternately, a mythical being that induces otherwise rational programmers to perpetrate such crocks. See also feeping creaturism, creeping featurism.
  • federal district — a district in which the national government of a country is located, especially one in Latin America.
  • federated church — a church whose membership includes two or more congregations of different denominational affiliation.
  • feedback control — (electronics)   A control system which monitors its effect on the system it is controlling and modifies its output accordingly. For example, a thermostat has two inputs: the desired temperature and the current temperature (the latter is the feedback). The output of the thermostat changes so as to try to equalise the two inputs. Computer disk drives use feedback control to position the read/write heads accurately on a recording track. Complex systems such as the human body contain many feedback systems that interact with each other; the homeostasis mechanisms that control body temperature and acidity are good examples.
  • feel constrained — If you feel constrained to do something, you feel that you must do it, even though you would prefer not to.
  • feel-good factor — When journalists refer to the feel-good factor, they mean that people are feeling hopeful and optimistic about the future.
  • feeping creature — [feeping creaturism] An unnecessary feature; a bit of chrome that, in the speaker's judgment, is the camel's nose for a whole horde of new features.
  • feminine caesura — a caesura occurring immediately after an unstressed or short syllable.
  • femme de chambre — a chambermaid
  • ferdinand marcos — Ferdinand E(dralin) [ed-ruh-lin] /ˈɛd rə lɪn/ (Show IPA), 1917–1989, Philippine political leader: president 1965–86.
  • ferricyanic acid — a brown, crystalline, unstable, water-soluble solid, H 3 Fe(CN) 6 , obtained by the interaction of a ferricyanide and an acid.
  • ferrocyanic acid — a white, crystalline, unstable, water-soluble solid, H 4 Fe(CN) 6 , obtained by the interaction of a ferrocyanide and an acid.
  • ferroelectricity — (physics) The electric polarization of a substance (spontaneous presence of a dipole moment) that is analagous to ferromagnetism.
  • ferruginous duck — a common European duck, Aythyra nyroca, having reddish-brown plumage with white wing bars
  • fertile crescent — an agricultural region extending from the Levant to Iraq.
  • fertility clinic — a place at which a couple who are unable to conceive may receive medical advice and treatments to help them to have a child
  • fertility factor — a sex-determining chromosome or gene.
  • feulgen reaction — a reaction in which an aldehyde combines with a modified Schiff's reagent to produce a purplish compound: used especially to test for the presence of DNA
  • fibonacci number — a number in the Fibonacci sequence, each of which is the sum of the previous two
  • fibonacci series — a sequence of integers in which each integer (Fibonacci number) after the second is the sum of the two preceding integers; specif., the series 1, 1, 2, 3, 5, 8, 13, . . .
  • fictitious force — any force that is postulated to account for apparent deviations from Newton's laws of motion appearing in an accelerated reference system.
  • fielder's choice — a fielder's attempt to put out a base runner rather than the batter when a play at first base would put out the batter.
  • figure of speech — any expressive use of language, as a metaphor, simile, personification, or antithesis, in which words are used in other than their literal sense, or in other than their ordinary locutions, in order to suggest a picture or image or for other special effect. Compare trope (def 1).
  • figure-conscious — concerned to keep an attractively slim body shape
  • file compression — (algorithm)   The compression of data in a file, usually to reduce storage requirements.
  • filter cigarette — a cigarette with a filter tip
  • finance director — financial manager
  • finance minister — a member of a government in charge of the financial affairs of a state etc
  • finger exercises — exercises that are intended to increase the flexibility and dexterity of a player's fingers
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