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17-letter words containing a, e, o, l, i, n

  • lambda expression — (mathematics)   A term in the lambda-calculus denoting an unnamed function (a "lambda abstraction"), a variable or a constant. The pure lambda-calculus has only functions and no constants.
  • lame-duck session — (formerly) the December to March session of those members of the U.S. Congress who were defeated for reelection the previous November.
  • langmuir isotherm — A Langmuir isotherm is a classical relationship between the concentrations of a solid and a fluid, used to describe a state of no change in the sorption process.
  • larmor precession — the precession of charged particles, as electrons, placed in a magnetic field, the frequency of the precession (Larmor frequency) being equal to the electronic charge times the strength of the magnetic field divided by 4π times the mass.
  • law of reflection — the principle that when a ray of light, radar pulse, or the like, is reflected from a smooth surface the angle of reflection is equal to the angle of incidence, and the incident ray, the reflected ray, and the normal to the surface at the point of incidence all lie in the same plane.
  • law of refraction — the principle that for a ray, radar pulse, or the like, that is incident on the interface of two media, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocity of the ray in the first medium to the velocity in the second medium and the incident ray, refracted ray, and normal to the surface at the point of incidence all lie in the same plane.
  • leading indicator — A leading indicator is an economic indicator that changes before a change in the economy, and that can be used to predict future economic or financial activity.
  • league of nations — an international organization to promote world peace and cooperation that was created by the Treaty of Versailles (1919): dissolved April 1946.
  • learned borrowing — a word or other linguistic form borrowed from a classical language into a modern language.
  • least fixed point — (mathematics)   A function f may have many fixed points (x such that f x = x). For example, any value is a fixed point of the identity function, (\ x . x). If f is recursive, we can represent it as f = fix F where F is some higher-order function and fix F = F (fix F). The standard denotational semantics of f is then given by the least fixed point of F. This is the least upper bound of the infinite sequence (the ascending Kleene chain) obtained by repeatedly applying F to the totally undefined value, bottom. I.e. fix F = LUB {bottom, F bottom, F (F bottom), ...}. The least fixed point is guaranteed to exist for a continuous function over a cpo.
  • lebanon mountains — a mountain range extending the length of Lebanon, in the central part. Highest peak, 10,049 feet (3063 meters).
  • legal proceedings — court case
  • legendre equation — a differential equation of the form (1− x 2) d2y/dx2 − 2 xdy/dx + a (a + 1) y = 0, where a is an arbitrary constant.
  • leibniz mountains — a mountain range on the SW limb of the moon, containing the highest peaks (10 000 metres) on the moon
  • leizhou peninsula — a peninsula of SE China, in SW Guangdong province, separated from Hainan Island by Hainan Strait
  • lempert operation — fenestration (def 3c).
  • leonardo da vinci — Leonardo [lee-uh-nahr-doh,, ley-;; Italian le-aw-nahr-daw] /ˌli əˈnɑr doʊ,, ˌleɪ-;; Italian ˌlɛ ɔˈnɑr dɔ/ (Show IPA), Leonardo da Vinci.
  • lexical insertion — the process in which actual morphemes of a language are substituted either for semantic material or for place-fillers in the course of a derivation of a sentence
  • liberal education — an education based primarily on the liberal arts, emphasizing the development of intellectual abilities as opposed to the acquisition of professional skills.
  • lie in wait (for) — to wait so as to catch after planning an ambush or trap (for)
  • life and/or death — If you say that something is a matter of life and death, you are emphasizing that it is extremely important, often because someone may die or suffer great harm if people do not act immediately.
  • lifelong learning — the provision or use of both formal and informal learning opportunities throughout people's lives in order to foster the continuous development and improvement of the knowledge and skills needed for employment and personal fulfilment
  • light mineral oil — a colorless, oily, almost tasteless, water-insoluble liquid, usually of either a standard light density (light mineral oil) or a standard heavy density (heavy mineral oil) consisting of mixtures of hydrocarbons obtained from petroleum by distillation: used chiefly as a lubricant, in the manufacture of cosmetics, and in medicine as a laxative.
  • limousine liberal — a wealthy left-wing person
  • line of scrimmage — an imaginary line parallel to the goal lines that passes from one sideline to the other through the point of the football closest to the goal line of each team.
  • liquid propellant — a rocket propellant in liquid form.
  • lithium carbonate — a colorless crystalline compound, Li 2 CO 3 , slightly soluble in water: used in ceramic and porcelain glazes, pharmaceuticals, and luminescent paints.
  • litigation friend — a person acting on behalf of an infant or other person under legal disability
  • livingstone daisy — a gardener's name for various species of Mesembryanthemum, esp M. criniflorum, grown as garden annuals (though several are perennial) for their brightly coloured showy flowers: family Aizoaceae
  • load displacement — the weight, in long tons, of a cargo vessel loaded so that the summer load line touches the surface of the water.
  • local anaesthesia — the use of anaesthetics that affect a particular area of the body
  • local anaesthetic — sth injected to numb a body part for pain relief
  • local examination — any of various examinations, such as the GCSE, set by university boards and conducted in local centres, schools, etc
  • logical operation — Boolean operation.
  • longitudinal wave — a wave in which the direction of displacement is the same as the direction of propagation, as a sound wave.
  • loose-leaf binder — a hard cover with metal rings inside which is used to hold loose pieces of paper
  • louisiana tanager — western tanager.
  • luminous efficacy — the quotient of the luminous flux of a radiation and its corresponding radiant flux
  • luminous exitance — the ability of a surface to emit light expressed as the luminous flux per unit area at a specified point on the surface
  • lumpenproletariat — the lowest level of the proletariat comprising unskilled workers, vagrants, and criminals and characterized by a lack of class identification and solidarity.
  • lymphadenopathies — Plural form of lymphadenopathy.
  • macroevolutionary — Pertaining to, or as a result of macroevolution.
  • magellanic clouds — either of two irregular galactic clusters in the southern heavens that are the nearest independent star system to the Milky Way.
  • magnetic monopole — a hypothetical very heavy particle with an isolated magnetic north pole or magnetic south pole.
  • magnetoelasticity — the phenomenon, consisting of a change in magnetic properties, exhibited by a ferromagnetic material to which stress is applied.
  • maintained school — a school financially supported by the state
  • maison de moliere — Comédie Française.
  • make no apologies — If you say that you make no apologies for what you have done, you are emphasizing that you feel that you have done nothing wrong.
  • malayo-polynesian — a family of languages extending from Madagascar to the central Pacific, including Malagasy, Malay, Indonesian, Tagalog, and Polynesian
  • manpower planning — a procedure used in organizations to balance future requirements for all levels of employee with the availability of such employees
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