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20-letter words containing l, e, f

  • 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.
  • get away from it all — If you get away from it all, you have a holiday in a place that is very different from where you normally live and work.
  • 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.
  • hail-fellow-well-met — friendly but insincere
  • 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.
  • justifiable homicide — murder committed under extenuating circumstances
  • kill the fatted calf — the young of the domestic cow or other bovine animal.
  • la canada-flintridge — a town in SW California.
  • lafayette escadrille — a contingent of American aviators who in 1916 served as volunteers (Escadrille Américaine) in the French air force and in 1918 became the 103rd Pursuit Squadron of the U.S. Army.
  • 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
  • liberty of the press — freedom of the press.
  • 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.
  • lifetime achievement — the notable successes that someone achieves during their life
  • lighthouse coffeepot — a coffeepot of the late 17th and 18th centuries, having a tapering, circular body with a domed lid.
  • like a dose of salts — very quickly indeed
  • like a house on fire — If two people get on like a house on fire, they quickly become close friends, for example because they have many interests in common.
  • like a ton of bricks — (used esp of the manner of punishing or reprimanding someone) with great force; severely
  • liquidity preference — (in Keynesian economics) the degree of individual preference for cash over less liquid assets.
  • liturgy of the hours — a revision (promulgated in 1970) of the arrangement and texts of the Divine Office
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