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

  • 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.
  • fertile material — material which can be converted into a fissile material by a neutron-induced nuclear reaction, as uranium-238 or thorium-232
  • 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.
  • 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.
  • fielding average — a measure of the fielding ability of a player, obtained by dividing the number of put-outs and assists by the number of put-outs, assists, and errors and carrying out the result to three decimal places. A player with ten errors in 600 chances has a fielding average of .984.
  • 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 cigarette — a cigarette with a filter tip
  • 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.
  • filterable virus — a virus particle small enough to pass through a filter of diatomaceous earth or porcelain, which will not pass bacteria: chiefly historical or an informal indicator of size, as synthetic membrane filters now permit passage of the smallest virus.
  • 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
  • fingertip search — When the police carry out a fingertip search of a place, they examine it for evidence in a very detailed way.
  • 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.
  • firewall machine — (networking, security)   A dedicated gateway server with special security precautions on it, used to service external connections (typically from the public Internet). The firewall machine protects servers and networks hidden behind it from crackers. The typical firewall is an inexpensive microprocessor-based Unix machine with no critical data, with public network ports on it, but just one carefully watched connection back to the rest of the cluster. The special precautions may include threat monitoring, call-back, and even a complete iron box keyable to particular incoming IDs or activity patterns. The type of network and security environment of a firewall machine is often called a De-Militarised Zone (DMZ). It may contain other servers such as e-mail servers or proxy gateways - machines that need to be publicly accessible but also need some access to internal systems. Also known as a (Venus) flytrap after the insect-eating plant.
  • firework display — a public event at which fireworks are set alight
  • first derivative — the derivative of a function: Velocity is the first derivative of distance with respect to time.
  • first generation — 1.   (architecture)   first generation computer. 2.   (language)   first generation language.
  • first lieutenant — an officer ranking next above second lieutenant and next below a captain.
  • 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.
  • first-time buyer — someone who is buying his or her first house
  • fisherman's bend — a knot made by taking a round turn on the object to which the rope is to be fastened, passing the end of the rope around the standing part and under the round turn, and securing the end.
  • 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
  • fisherman's ring — the signet ring worn by the pope.
  • fissure eruption — the emergence of lava from a fissure in the ground rather than from a volcanic cone or vent
  • fixed-price menu — In a restaurant, the cost of a meal on a fixed-price menu stays the same and does not vary.
  • flabbergastation — (colloquial) Bewildered shock or surprise; the state or condition of being flabbergasted.
  • flabbergastingly — Surprisingly, astonishingly or amazingly.
  • 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
  • flibbertigibbets — Plural form of flibbertigibbet.
  • flibbertigibbety — Like a flibbertigibbet; flighty; scatterbrained.
  • florencio varela — a city in E Argentina, near Buenos Aires.
  • floridean starch — the storage polysaccharide of red algae.
  • flower arranging — Flower arranging is the art or hobby of arranging cut flowers in a way which makes them look attractive.
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