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20-letter words containing f, e, l, n

  • lifetime achievement — the notable successes that someone achieves during their life
  • 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.
  • llywelyn ap gruffudd — died 1282, prince of Wales (1258–82): the only Welsh ruler to be recognized as such by the English
  • margaret of scotland — Saint. 1045–93, queen consort of Malcolm III of Scotland. Her piety and benefactions to the church led to her canonization (1250). Feast days: June 10, Nov 16
  • member of parliament — A Member of Parliament is a person who has been elected by the people in a particular area to represent them in a country's parliament. The abbreviation MP is often used.
  • mitral insufficiency — abnormal closure of the mitral valve resulting in regurgitation of blood into the atrium and leading to reduced heart function or heart failure.
  • molybdenum disulfide — a black crystalline powder, MoS 2 , insoluble in water, used as a lubricant and as a hydrogenation catalyst.
  • most general unifier — (logic)   If U is the most general unifier of a set of expressions then any other unifier, V, can be expressed as V = UW, where W is another substitution. See also unification.
  • new zealand fur seal — an Australasian seal, Arctocephalus forsteri
  • no lack of something — If you say there is no lack of something, you are emphasizing that there is a great deal of it.
  • normal zeeman effect — the dividing of a spectral line or lines as a result of placing a radiation source in a magnetic field. The division consists of three equally spaced lines (normal Zeeman effect) in systems for which the spin quantum number is zero, or of three or more unequally spaced lines (anomalous Zeeman effect) in systems for which the spin quantum number is not zero.
  • northern leaf blight — a disease of corn caused by the fungus Exsherohilum turcicum, characterized by elongate tan-gray elliptical spots with subsequent blighting and necrosis of leaves.
  • of no/little account — If you say that something is of no account or of little account, you mean that it is very unimportant and is not worth considering.
  • of value/of no value — If something is of value, it is useful or important. If it is of no value, it has no usefulness or importance.
  • old man of the woods — an edible, mild-tasting mushroom, Strobilomyces floccopus, occurring in coniferous woodlands of eastern North America.
  • olfactory anesthesia — absence or loss of the sense of smell.
  • on the factory floor — in a factory; as a factory worker
  • order bill of lading — a bill of lading that is issued to the order of a shipper or consignee for delivery of the goods and that can be transferred by endorsement to third parties.
  • paper qualifications — qualifications gained through official examinations, etc, rather than through experience
  • pappus of alexandria — 3rd century bc, Greek mathematician, whose eight-volume Synagoge is a valuable source of information about Greek mathematics
  • partial differential — an expression obtained from a given function of several variables by taking the partial derivative with respect to one of the variables and multiplying by the increment in that variable.
  • patent foramen ovale — a congenital heart defect resulting from failure of the foramen ovale to close shortly after birth.
  • paternal grandfather — the father of someone's father
  • peaceful coexistence — competition without war, or a policy of peace between nations of widely differing political systems and ideologies, especially between Communist and non-Communist nations: peaceful coexistence between the U.S. and the Soviet Union.
  • period of revolution — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
  • permonosulfuric acid — persulfuric acid (def 1).
  • pest control officer — a person who gets rid of pests such as rats and mice
  • pleased with oneself — If someone seems very satisfied with something they have done, you can say that they are pleased with themselves, especially if you think they are more satisfied than they should be.
  • pledge of allegiance — a solemn oath of allegiance or fidelity to the U.S., beginning, “I pledge allegiance to the flag,” and forming part of many flag-saluting ceremonies in the U.S.
  • portfolio employment — the practice of working for several employers simultaneously rather than working full-time for a single employer
  • potential difference — voltage
  • quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
  • reflecting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
  • refracting telescope — an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens set into one end of a tube and an adjustable eyepiece or combination of lenses set into the other end of a tube that slides into the first and through which the enlarged object is viewed directly; the other form (reflecting telescope) has a concave mirror that gathers light from the object and focuses it into an adjustable eyepiece or combination of lenses through which the reflection of the object is enlarged and viewed. Compare radio telescope.
  • refuse disposal unit — a unit or part of a sink that disposes of waste food, etc, by grinding
  • ring of the nibelung — Richard Wagner's tetralogy of music dramas: Das Rheingold (completed 1869), Die Walküre (completed 1870), Siegfried (completed 1876), and Götterdämmerung (completed 1876): the cycle was first performed at Bayreuth, 1876.
  • scientific socialism — Marxist socialism
  • second earl of essex — 2nd Earl of, Devereux, Robert.
  • second law of motion — any of three laws of classical mechanics, either the law that a body remains at rest or in motion with a constant velocity unless an external force acts on the body (first law of motion) the law that the sum of the forces acting on a body is equal to the product of the mass of the body and the acceleration produced by the forces, with motion in the direction of the resultant of the forces (second law of motion) or the law that for every force acting on a body, the body exerts a force having equal magnitude and the opposite direction along the same line of action as the original force (third law of motion or law of action and reaction)
  • see with half an eye — the organ of sight, in vertebrates typically one of a pair of spherical bodies contained in an orbit of the skull and in humans appearing externally as a dense, white, curved membrane, or sclera, surrounding a circular, colored portion, or iris, that is covered by a clear, curved membrane, or cornea, and in the center of which is an opening, or pupil, through which light passes to the retina.
  • self-belaying system — (in climbing) equipment used to pay out rope as required and thus enable a climber to self-belay
  • self-differentiating — to form or mark differently from other such things; distinguish.
  • sergeant first class — a noncommissioned officer ranking next above a staff sergeant and below a first or master sergeant.
  • snowflake generation — the generation of people who became adults in the 2010s, viewed as being less resilient and more prone to taking offence than previous generations
  • soft gelatin capsule — A soft gelatin capsule is a type of capsule that is usually used to contain medicine in the form of liquid or powder, and which dissolves more quickly than a hard gelatin capsule.
  • solitary confinement — the confinement of a prisoner in a cell or other place in which he or she is completely isolated from others.
  • split the difference — the state or relation of being different; dissimilarity: There is a great difference between the two.
  • squirrel's-foot fern — ball fern.
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