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16-letter words containing l, e, a, f

  • electric furnace — any furnace in which the heat is provided by an electric current
  • electrical fault — a fault caused by something electrical
  • electronic flash — Photography
  • equine influenza — a respiratory disease of horses, caused by the Orthomyxoviridae type A virus, characterized by a fever and persistent cough
  • erlenmeyer flask — conical container used in laboratory
  • exemplifications — Plural form of exemplification.
  • exhaust manifold — An exhaust manifold is a heat-resistant tube that connects an engine to an exhaust pipe.
  • external affairs — (formerly) the Canadian federal Foreign Affairs department
  • eyjafjallajökull — a cone-shaped ice cap in south Iceland that covers an active volcano. The volcano’s eruption in 2010 resulted in large high-altitude clouds of volcanic ash that caused major disruption to European passenger air traffic. Height: 1666 m (5466 ft)
  • facial neuralgia — paroxysmal darting pain and muscular twitching in the face, evoked by rubbing certain points of the face.
  • fahrenheit scale — Gabriel Daniel [German gah-bree-el dah-nee-el] /German ˈgɑ briˌɛl ˈdɑ niˌɛl/ (Show IPA), 1686–1736, German physicist: devised a temperature scale and introduced the use of mercury in thermometers.
  • falling sickness — epilepsy.
  • false beechdrops — either of two parasitic or saprophytic plants of the genus Monotropa, especially the tawny or reddish M. hypopithys (false beechdrops) of eastern North America.
  • false dragonhead — a North American plant, Physostegia virginiana, of the mint family, having a spike of tubular, two-lipped, pink or white flowers.
  • family allowance — a regular government payment to the parents of children up to a certain age
  • family of curves — a collection of curves whose equations differ only by values assigned a parameter or parameters.
  • fancy dress ball — a ball at which the guests wear fancy dress
  • fantasy baseball — imagination, especially when extravagant and unrestrained.
  • farewell address — (initial capital letters) U.S. History. a statement that President George Washington published in a Philadelphia newspaper in 1796 to announce that he would not run for a third term and to give his views on foreign and domestic policy.
  • farewell to arms — a novel (1929) by Ernest Hemingway.
  • fast of gedaliah — Tzom Gedaliah.
  • fat-tailed sheep — one of a class of sheep with much fat along the sides of the tail bones, raised for their meat and widely distributed in southeast Europe, northern Africa, and Asia.
  • federal district — a district in which the national government of a country is located, especially one in Latin America.
  • federal register — a bulletin, published daily by the U.S. federal government, containing the schedule of hearings before Congressional and federal agency committees, together with orders, proclamations, etc., released by the executive branch of the government.
  • federalist party — a political group that favored the adoption by the states of the Constitution.
  • 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 the draught — to be short of money
  • feel-good factor — When journalists refer to the feel-good factor, they mean that people are feeling hopeful and optimistic about the future.
  • fellow passenger — a person travelling on the same vehicle, plane, ship etc as you
  • 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.
  • 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
  • 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.
  • 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.
  • 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 lieutenant — an officer ranking next above second lieutenant and next below a captain.
  • 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.
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