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16-letter words containing l, f, r

  • 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
  • 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.
  • 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.
  • 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 balkan war — Balkan War (def 1).
  • first lieutenant — an officer ranking next above second lieutenant and next below a captain.
  • flabbergastation — (colloquial) Bewildered shock or surprise; the state or condition of being flabbergasted.
  • flabbergastingly — Surprisingly, astonishingly or amazingly.
  • flamborough head — a chalk promontory in NE England, on the coast of the East Riding of Yorkshire
  • 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
  • flashbulb memory — the clear recollections that a person may have of the circumstances associated with a dramatic event
  • 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.
  • flat-bed scanner — a type of optical scanner having a flat, stationary surface on which a page is scanned by a moving head.
  • flat-track bully — a sportsperson who dominates inferior opposition, but who cannot beat top-level opponents
  • flatheaded borer — the larva of a metallic wood-boring beetle, having an expanded and flattened anterior end.
  • flettner control — servocontrol (def 3).
  • flibbertigibbets — Plural form of flibbertigibbet.
  • flibbertigibbety — Like a flibbertigibbet; flighty; scatterbrained.
  • 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.
  • florencio varela — a city in E Argentina, near Buenos Aires.
  • 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
  • flower arranging — Flower arranging is the art or hobby of arranging cut flowers in a way which makes them look attractive.
  • flowering quince — any shrub belonging to the genus Chaenomeles, of the rose family, native to eastern Asia, having showy, waxy flowers and a quincelike fruit, grown widely as an ornamental.
  • 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
  • flying phalanger — any of various small phalangers of Australia and New Guinea, having a parachutelike fold of skin on each side of the body to give gliding assistance in leaping.
  • follicular phase — a stage of the menstrual cycle, from onset of menstruation to ovulation.
  • follow the crowd — copy what others are doing
  • follow-my-leader — a game in which the players must repeat the actions of the leader
  • 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 all sb cares — You can use for all I care to emphasize that it does not matter at all to you what someone does.
  • 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.
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