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16-letter words containing r, o, t, f, l

  • dorothy canfield — Dorothy, Fisher, Dorothy Canfield.
  • electronic flash — Photography
  • fair to middling — free from bias, dishonesty, or injustice: a fair decision; a fair judge.
  • farewell to arms — a novel (1929) by Ernest Hemingway.
  • farmington hills — a city in SE Michigan.
  • 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.
  • fellow traveller — a companion on a journey
  • feme-sole trader — a married woman who is entitled to carry on business on her own account and responsibility, independently of her husband.
  • ferroelectricity — (physics) The electric polarization of a substance (spontaneous presence of a dipole moment) that is analagous to ferromagnetism.
  • ferrous sulphate — an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: used in inks, tanning, water purification, and in the treatment of anaemia. Formula: FeSO4
  • fertility factor — a sex-determining chromosome or gene.
  • fertility symbol — an object, esp a phallic symbol, used in fertility-cult ceremonies to symbolize regeneration
  • 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
  • filter promotion — (algorithm)   In a generate and test algorithm, combining part of the filter with the generator in order to reduce the number of potential solutions generated. A trivial example: filter (< 100) [1..1000] ==> [1..99] where [1..n] generates the list of integers from 1 to n. Here the filter has been combined completely with the generator. This is an example of fusion.
  • fire regulations — rules intended to make sure that people and property stay safe in the event of a fire
  • fire-tube boiler — any boiler for generating steam by passing hot gases and other combustible products through tubes (fire tubes) immersed in water to a chimney or uptake.
  • flabbergastation — (colloquial) Bewildered shock or surprise; the state or condition of being flabbergasted.
  • flame cultivator — an implement that kills weeds by scorching them with a directed flow of flaming gas.
  • flash eliminator — a device fitted to the muzzle of a firearm to reduce the flash made by the ignited propellant gases
  • flat-bed plotter — a mechanized drafting device, usually computer driven, incorporating a moving pen whose horizontal and vertical range in two dimensions is limited only by the size of the bed of the device.
  • flatheaded borer — the larva of a metallic wood-boring beetle, having an expanded and flattened anterior end.
  • flettner control — servocontrol (def 3).
  • flight formation — an arrangement of two or more airplanes flying together in a group, usually in a predetermined pattern.
  • flight indicator — artificial horizon (def 3).
  • flight simulator — a device used in pilot and crew training that provides a cockpit environment and sensations of flight under actual conditions.
  • floridean starch — the storage polysaccharide of red algae.
  • flotation collar — an inflatable device worn around the neck to keep the wearer afloat when in danger of drowning
  • fluorescent lamp — a tubular electric discharge lamp in which light is produced by the fluorescence of phosphors coating the inside of the tube.
  • flutter tonguing — a method of sounding a wind instrument, esp the flute, with a rolling movement of the tongue
  • follow the crowd — copy what others are doing
  • follow-up letter — a letter sent as a follow-up to an initial letter or to a telephone call, meeting, etc
  • food intolerance — an intolerance of a specific type of food, causing an adverse reaction
  • fool around with — have casual sex
  • foot reflexology — reflexology (def 1).
  • for external use — If medicine is for external use, it is intended to be used only on the outside of your body, and not to be eaten or drunk.
  • foreign national — citizen of another country
  • forked lightning — Forked lightning is lightning that divides into two or more parts near the ground.
  • formation flying — a formal arrangement of flying aircraft acting as a unit
  • formylmethionine — Alternative spelling of formyl methionine.
  • fort leavenworth — a military reservation and U.S. Army training center in E Kansas adjoining Leavenworth, one of the oldest (1827) military posts W of the Mississippi and site of federal penitentiary.
  • four-letter word — any of a number of short words, usually of four letters, considered offensive or vulgar because of their reference to excrement or sex.
  • four-minute mile — a mile-long race run in four minutes or less
  • four-star petrol — petrol containing lead, formerly sold in the UK
  • frankfurt school — a school of thought, founded at the University of Frankfurt in 1923 by Theodor Adorno, Herbert Marcuse and others, derived from Marxist, Freudian, and Hegelian theory
  • freeboard length — the length of a vessel, measured on the summer load line from the fore side of the stem to some part of the stern, usually the after side of the rudderpost.
  • french telephone — handset (def 1).
  • friction welding — a method of welding thermoplastics or metals by the heat generated by rubbing the members to be joined against each other under pressure.
  • friendly society — law: mutual group providing benefits
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