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15-letter words containing a, l, m, d

  • lambda calculus — a formalized description of functions and the way in which they combine, developed by Alonzo Church and used in the theory of certain high-level programming languages
  • lambda particle — any of a family of neutral baryons with strangeness −1 or charm +1, and isotopic spin 0. The least massive member of the lambda family was the first strange particle to be discovered. Symbol: Λ.
  • lambda-b baryon — a protonlike baryon containing a b quark; a neutral baryon with a mass 11,000 times that of the electron and a mean lifetime of approximately 1.1 X 10 -12 seconds.
  • lambda-c baryon — a positively charged baryon with a mean lifetime of approximately 2.1 X 10 -13 seconds.
  • lambda-calculus — (mathematics)   (Normally written with a Greek letter lambda). A branch of mathematical logic developed by Alonzo Church in the late 1930s and early 1940s, dealing with the application of functions to their arguments. The pure lambda-calculus contains no constants - neither numbers nor mathematical functions such as plus - and is untyped. It consists only of lambda abstractions (functions), variables and applications of one function to another. All entities must therefore be represented as functions. For example, the natural number N can be represented as the function which applies its first argument to its second N times (Church integer N). Church invented lambda-calculus in order to set up a foundational project restricting mathematics to quantities with "effective procedures". Unfortunately, the resulting system admits Russell's paradox in a particularly nasty way; Church couldn't see any way to get rid of it, and gave the project up. Most functional programming languages are equivalent to lambda-calculus extended with constants and types. Lisp uses a variant of lambda notation for defining functions but only its purely functional subset is really equivalent to lambda-calculus. See reduction.
  • laminated glass — Laminated glass is safety glass in which a transparent plastic film is placed between plates of glass.
  • land of promise — Promised Land.
  • landeshauptmann — the head of government in an Austrian state
  • laryngectomized — having had one's larynx surgically removed by undergoing a laryngectomy
  • leadwort family — the plant family Plumbaginaceae, characterized by shrubs and herbaceous plants of seacoasts and semiarid regions, having basal or alternate leaves, spikelike clusters of tubular flowers, and dry, one-seeded fruit, and including leadwort, sea lavender, statice, and thrift.
  • leaf primordium — a group of cells that will develop into a leaf, seen as small bulges just below the shoot apex.
  • levant wormseed — the dried, unexpanded flower heads of a wormwood, Artemisia cina (Levant wormseed) or the fruit of certain goosefoots, especially Chenopodium anthelminticum (or C. ambrosioides), the Mexican tea or American wormseed, used as an anthelmintic drug.
  • liberal judaism — Reform Judaism.
  • like grim death — as if afraid for one's life
  • limited company — a company in which the shareholders cannot be assessed for debts of the company beyond the sum they still have invested in the company.
  • limited partner — special partner.
  • linear manifold — subspace (def 2b).
  • loading program — a series of instructions entered automatically in a program that starts the processing.
  • lomas de zamora — a city in E Argentina, S of Buenos Aires.
  • lombardy poplar — a poplar, Populus nigra italica, having a columnar manner of growth, with branches erect and parallel.
  • look-say method — a method of teaching beginners to read by memorizing and recognizing whole words, rather than by associating letters with sounds
  • lymphadenectomy — the excision of one or more lymph nodes, usually as a procedure in the surgical removal or destruction of a cancer.
  • lymphadenopathy — chronically swollen lymph nodes.
  • macroprudential — Of or pertaining to systemic prudence, especially to the strengths and vulnerabilities of financial systems.
  • magna cum laude — with great praise: used in diplomas to grant the next-to-highest of three special honors for grades above the average.
  • magnetic needle — a slender magnetized steel rod that, when adjusted to swing in a horizontal plane, as in a compass, indicates the direction of the earth's magnetic fields or the approximate position of north and south.
  • maid of orléans — Saint ("the Maid of Orléans") 1412?–31, French national heroine and martyr who raised the siege of Orléans.
  • mail order firm — a company that sells goods by mail order
  • mailing address — postal or delivery address
  • majority leader — the leader of the majority party in a legislative body, especially the party member who directs the activities of the majority party on the floor of either the Senate or the House of Representatives.
  • make a big deal — If someone makes a big deal out of something, they make a fuss about it or treat it as if it were very important.
  • maladaptiveness — The quality of being maladaptive.
  • malappropriated — misused or mishandled
  • maldistribution — bad or unsatisfactory distribution, as of wealth, among a population or members of a group.
  • malpighian body — Also called kidney corpuscle, Malpighian body. the structure at the beginning of a vertebrate nephron, consisting of a glomerulus and its surrounding Bowman's capsule.
  • mandarin collar — a narrow, stand-up collar, not quite meeting at the front.
  • mariana islands — a group of 15 small islands in the Pacific, E of the Philippines: divided into Guam, a possession of the U.S., and the North Marianas, formally under U.S. trusteeship. 453 sq. mi. (1127 sq. km).
  • marie byrd land — former name of Byrd Land.
  • marigold window — wheel window.
  • mass-producible — to produce or manufacture (goods) in large quantities, especially by machinery.
  • master cylinder — the hydraulic pump of an automotive braking system that contains a cylinder and one or two pistons, is actuated by the brake pedal, and supplies hydraulic fluid under pressure to the brakes at each wheel.
  • medal for merit — a medal awarded by the U.S. to a civilian for distinguished service to the country: discontinued after World War II.
  • medical history — the past background of a person in terms of health
  • medical officer — a doctor of medicine who serves in the armed forces in a medical capacity
  • medical records — written information about a person's health during their life to date
  • medical student — trainee doctor
  • medical studies — a course of study leading to qualification as a doctor of medicine
  • medical tourism — tourist travel for the purpose of receiving medical treatment or improving health or fitness: The spiraling cost of healthcare has contributed to the growth of medical tourism. Also called health tourism.
  • medicinal leech — a bloodsucking leech, Hirudo medicinalis, of Europe, introduced into the northeastern U.S., usually green with brown stripes, up to 4 inches (10 cm) long: once used by physicians to bleed patients.
  • medieval breton — the Breton language of the Middle Ages, usually dated from the 12th to the mid-17th centuries.
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