20-letter words containing f, e, l, n
- force-field analysis — a decision-making technique, often presented graphically, that identifies all the positive and negative forces impinging on a problem
- fore-and-aft topsail — gaff topsail (def 1).
- fore-topgallant mast — the spar or section of a spar forming the topgallant portion of a foremast on a ship.
- forty-ninth parallel — an informal name for the Canadian border with the USA, which is in part delineated by the parallel line of latitude at 49°N
- fourth international — a loose federation of small groups of radical socialists formed in 1936 under the leadership of Leon Trotsky and hostile to the Soviet Union. Compare international (def 6).
- freefall parachuting — a variety of parachuting in which the jumper manoeuvres in free fall before opening the parachute
- frequency modulation — FM.
- fridtjof nansen land — Franz Josef Land.
- front-end volatility — Front-end volatility is the ability of the fractions with lower boiling points, such as butane, to evaporate at normal temperatures.
- frontenac et palluau — Comte de (Louis de Buade) 1620?–98, French governor of New France 1672–82, 1689–98.
- full to the gunwales — completely full; full to overflowing
- fully-fitted kitchen — a kitchen fitted with units and appliances such as an oven, dishwasher, etc
- fulminate of mercury — a gray, crystalline solid, Hg(CNO) 2 , used chiefly in the manufacture of commercial and military detonators.
- fundamental constant — a physical constant, such as the gravitational constant or speed of light, that plays a fundamental role in physics and chemistry and usually has an accurately known value
- fundamental particle — elementary particle.
- fundamental research — research carried out to deepen understanding of the fundamental or basic principles of something
- fundamental sequence — an infinite sequence, x 1 , x 2 , …, whose terms are points in Ek, in which there exists a point y such that the limit as n goes to infinity of xn = y if and only if for every ε>0, there exists a number N such that i > N and j > N implies | xi − xj |< ε. Also called Cauchy sequence, convergent sequence. Compare complete (def 10b).
- genetically modified — biologically altered
- gentleman of fortune — an adventurer.
- get ahold of oneself — If you get ahold of yourself, you force yourself to become calm and sensible after a shock or in a difficult situation.
- godefroy de bouillon — c1060–1100, French crusader.
- grand right and left — a figure called in square dancing in which partners face each other, forming a small circle, and then advance around the circle by extending alternating right and left hands to pull past each new person until they reach their partners again.
- group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
- helmeted guinea fowl — the common guinea fowl in its wild state.
- hexafluoroantimonate — (inorganic chemistry) The anion SbF6- or any salt containing this anion; it is used as an acidic catalyst in epoxide opening reactions.
- houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
- hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
- ideal of pure reason — God, seen as an idea of pure reason unifying the personal soul with the cosmos.
- in a class by itself — unique
- in flagrante delicto — Law. in the very act of committing the offense.
- in the lap of luxury — If you say that someone lives in the lap of luxury, you mean that they live in conditions of great comfort and wealth.
- infiltration gallery — a conduit, built in permeable earth, for collecting ground water.
- information builders — Distributors of LEVEL5 OBJECT. Telephone +1 800 969 INFO.
- information overload — an excess of incoming information, as might confront a pedestrian on a crowded city street, that forces one to be selective in the information received and retained.
- intelligence officer — a military officer responsible for collecting and processing data on hostile forces, weather, and terrain.
- intestinal fortitude — courage; resoluteness; endurance; guts: to have intestinal fortitude.
- investment portfolio — the whole range of financial investments held by an individual investor or a financial organization
- islets of langerhans — biology: pancreatic cells
- jerez de la frontera — a town in SW Spain: famous for the making of sherry. Pop: 191 002 (2003 est)
- joint life insurance — life insurance covering two or more persons, the benefits of which are paid after the first person dies.
- joule-thomson effect — the change of temperature that a gas exhibits during a throttling process, shown by passing the gas through a small aperture or porous plug into a region of low pressure.
- la canada-flintridge — a town in SW California.
- land-office business — a lively, booming, expanding, or very profitable business.
- last of the mohicans — a historical novel (1826) by James Fenimore Cooper.
- laugh one's head off — Phrases such as laugh your head off and scream your head off can be used to emphasize that someone is laughing or screaming a lot or very loudly.
- law of large numbers — the theorem in probability theory that the number of successes increases as the number of experiments increases and approximates the probability times the number of experiments for a large number of experiments.
- law of superposition — Geology. a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
- leg-of-mutton sleeve — a sleeve on a woman's garment that is loose on the arm but tight at the wrist
- let someone off with — to give (a light punishment) to someone
- life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.