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20-letter words containing a, l, c, t, r

  • 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.
  • law of contradiction — the law that a proposition cannot be both true and false or that a thing cannot both have and not have a given property.
  • lieutenant commander — a commissioned officer ranking next below a commander and next above a lieutenant.
  • 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.
  • light the touchpaper — to do something that will cause much anger or excitement
  • like a ton of bricks — (used esp of the manner of punishing or reprimanding someone) with great force; severely
  • linguistic geography — dialect geography.
  • linguistic universal — language universal.
  • logarithmic function — a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms.
  • logical construction — anything referred to by an incomplete symbol capable of contextual definition.
  • logical link control — (networking)   (LLC) The upper portion of the data link layer, as defined in IEEE 802.2. The LLC sublayer presents a uniform interface to the user of the data link service, usually the network layer. Beneath the LLC sublayer is the Media Access Control (MAC) sublayer.
  • lonely hearts column — the part of a newspaper or magazine where lonely hearts ads appear
  • lower layer protocol — (networking, protocol)   (LLP, or lower-layer protocol) Any protocol residing in OSI layers one to four. These protocols package, route, verify and transmit datagrams. A prime example would be TCP/IP. Lower layer protocols support the upper layer protocols.
  • macular degeneration — degeneration of the central portion of the retina, resulting in a loss of sharp vision.
  • magical mystery tour — something exciting and mysterious; esp an exploration of a new place where somebody being shown or taken around does not know where exactly they will be going
  • magnetoencephalogram — a record of the magnetic field of the brain. Abbreviation: MEG.
  • mail-order catalogue — a catalogue of goods you can buy from a particular company by mail order
  • 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
  • material equivalence — equivalence (def 4b).
  • material implication — equivalence (def 4a).
  • material-equivalence — the state or fact of being equivalent; equality in value, force, significance, etc.
  • maternal health care — care for the health of a pregnant woman provided by a hospital or health centre
  • media access control — (networking)   (MAC) The lower sublayer of the OSI data link layer. The interface between a node's Logical Link Control and the network's physical layer. The MAC differs for various physical media. See also MAC Address, Ethernet, IEEE 802.3, token ring.
  • medical practitioner — doctor
  • medical underwriting — Medical underwriting is the use of medical or health status information in the evaluation of an applicant for life or health insurance.
  • menstrual extraction — an abortion procedure involving suction aspiration of the uterine contents early in gestation, before the first missed menstrual period: sometimes performed later.
  • meta-dichlorobenzene — a colorless liquid, C 6 H 4 Cl 2 , soluble in alcohol and ether: used as a fumigant and insecticide.
  • methyl chloroformate — a colorless liquid, C 2 H 3 ClO 2 , used chiefly in organic synthesis.
  • microcrystalline wax — Microcrystalline wax is a wax used as a stiffening agent and as a coating agent for tablets and capsules.
  • middle-distance race — a race of a length between the sprints and the distance events, esp the 800 metres and the 1500 metres
  • miliary tuberculosis — tuberculosis in which the bacilli are spread by the blood from one point of infection, producing small tubercles in other parts of the body.
  • missionary apostolic — an honorary title conferred by the pope on certain missionaries.
  • 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.
  • molecular gastronomy — an approach to cooking in which a chef’s knowledge of physics, chemistry, and biology allows him or her to experiment with unusual flavour combinations and cooking techniques
  • molecular geneticist — a specialist in the study of the molecular constitution of genes and chromosomes
  • mother of the chapel — (in British trade unions in the publishing and printing industries) a woman shop steward
  • multicast addressing — Ethernet addressing scheme used to send packets to devices of a certain type or for broadcasting to all nodes. The least significant bit of the most significant byte of a multi-cast address is one.
  • multiple inheritance — (programming)   In object-oriented programming, the possibility that a class may have more than one direct superclass in the class hierarchy. The opposite is single inheritance.
  • multiplicative group — a group in which the operation of the group is multiplication.
  • multistorey car park — a car park consisting of several levels
  • naturalistic fallacy — the supposed fallacy of inferring evaluative conclusions from purely factual premises
  • neapolitan ice cream — variously flavored and colored ice cream and ice mixtures frozen in layers.
  • negative electricity — the electricity present in a body or substance that has an excess of electrons, as the electricity developed on a resin when rubbed with flannel.
  • net national product — the gross national product less allowance for depreciation of capital goods. Abbreviation: NNP.
  • neuromusculoskeletal — (medicine) Describing the interactions between nerves, muscles and the skeleton.
  • neuropsychiatrically — In terms of neuropsychiatry.
  • neutral interconnect — Network infrastructure where network service providers can freely exchange traffic without policy restrictions. Examples are the GIX (Global Internet Exchange) at MAE-East (A Metropolitan Area Ethernet around Washington), and the Ebone (European Backbone). There is currently (November 1993) no UK Neutral Interconnect.
  • newcastle-under-lyme — a town in W central England, in Staffordshire. Pop: 74 427 (2001)
  • nickel tetracarbonyl — nickel carbonyl.
  • nonaccidental injury — damage, such as a bruise, burn, or fracture, deliberately inflicted on a child or an old person
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