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16-letter words containing r, o, f, i

  • distrito federal — Federal District. Abbreviation: D.F.
  • diversifications — Plural form of diversification.
  • do-it-yourselfer — an advocate or enthusiast of do-it-yourself
  • documentary film — factual, informative film
  • dolce far niente — pleasing inactivity.
  • dorothy canfield — Dorothy, Fisher, Dorothy Canfield.
  • drag coefficient — a measure of the drag of an object in a moving fluid, esp air
  • drift transistor — a transistor in which the impurity concentration in the base increases from the collector-base junction to the emitter-base junction, producing a resistivity gradient that greatly increases its high-frequency response
  • electronic flash — Photography
  • embroidery frame — a frame in the form of a pair of (usually circular) rings, designed to keep the fabric taut while an embroiderer works on it
  • engineer officer — a ship's officer who is qualified to be in charge of the vessel's propulsion and other machinery
  • extrinsic factor — vitamin B12
  • face recognition — the ability of a computer to scan, store, and recognize human faces for use in identifying people
  • fair to middling — free from bias, dishonesty, or injustice: a fair decision; a fair judge.
  • family of curves — a collection of curves whose equations differ only by values assigned a parameter or parameters.
  • farmington hills — a city in SE Michigan.
  • fashion designer — creator of clothing designs
  • fashion industry — the industry that deals with the world of fashion
  • federation wheat — an early-maturing drought-resistant variety of wheat developed by William Farrar in 1902
  • feel constrained — If you feel constrained to do something, you feel that you must do it, even though you would prefer not to.
  • ferdinand marcos — Ferdinand E(dralin) [ed-ruh-lin] /ˈɛd rə lɪn/ (Show IPA), 1917–1989, Philippine political leader: president 1965–86.
  • 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
  • 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
  • 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.
  • fifth-generation — denoting developments in computer design to produce machines with artificial intelligence
  • 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 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.
  • finance director — financial manager
  • find favour with — to be approved of by someone
  • finished product — the product that emerges at the end of a manufacturing process
  • finless porpoise — a porpoise Neophocaena phocaenoides of the Indian and pacific Oceans that completely lacks a dorsal fin
  • 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.
  • firework display — a public event at which fireworks are set alight
  • first four ships — the earliest settlers' ships to arrive in the Canterbury Province
  • first generation — 1.   (architecture)   first generation computer. 2.   (language)   first generation language.
  • first-aid worker — someone who is trained to give immediate medical help in an emergency
  • first-generation — being the first generation of a family to be born in a particular country.
  • fish or cut bait — any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales.
  • fisherman's knot — a knot for joining two ropes of equal thickness consisting of an overhand knot or double overhand knot by each rope round the other, so that the two knots jam when pulled tight
  • fissure eruption — the emergence of lava from a fissure in the ground rather than from a volcanic cone or vent
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