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16-letter words containing f, e, a

  • fermat's theorem — the theorem that an integer raised to a prime power leaves the same remainder as the integer itself when divided by the prime.
  • 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.
  • 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
  • fertile material — material which can be converted into a fissile material by a neutron-induced nuclear reaction, as uranium-238 or thorium-232
  • 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, . . .
  • 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
  • filter cigarette — a cigarette with a filter tip
  • 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
  • fingertip search — When the police carry out a fingertip search of a place, they examine it for evidence in a very detailed way.
  • finite automaton — Finite State Machine
  • fire regulations — rules intended to make sure that people and property stay safe in the event of a fire
  • 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.
  • 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.
  • fishskin disease — ichthyosis
  • fit like a glove — fit perfectly
  • 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
  • flash in the pan — a brief, sudden burst of bright light: a flash of lightning.
  • 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-felled seam — a seam on the face of a garment, as on the outside of the legs of blue jeans, made by overlapping or interlocking one seam allowance with the other and top-stitching them together onto the garment with two parallel rows of stitches.
  • flathead catfish — a yellow and brown catfish, Pylodictus olivaris, common in the central U.S., having a flattened head and a projecting lower jaw.
  • flatheaded borer — the larva of a metallic wood-boring beetle, having an expanded and flattened anterior end.
  • flight attendant — an airline employee who serves meals, attends to passengers' comfort, etc., during a flight.
  • 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.
  • fluorescent lamp — a tubular electric discharge lamp in which light is produced by the fluorescence of phosphors coating the inside of the tube.
  • flying ambulance — an aircraft used to take sick or injured people to hospital
  • 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.
  • focused strategy — a business strategy in which an organization divests itself of all but its core activities, using the funds raised to enhance the distinctive abilities that give it an advantage over its rivals
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