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20-letter words containing t, r, a, m

  • lymphogranulomatosis — widespread infectious granuloma of the lymphatic system.
  • 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
  • magnetic card reader — a device that scans and interprets information from a card with a magnetic stripe
  • magnetoencephalogram — a record of the magnetic field of the brain. Abbreviation: MEG.
  • magnetohydrodynamics — the branch of physics that deals with the motion of electrically conductive fluids, especially plasmas, in magnetic fields. Abbreviation: MHD.
  • magnification factor — the size of a magnified image of an object divided by the size of the object itself
  • mail transport agent — Message Transfer Agent
  • mail-order catalogue — a catalogue of goods you can buy from a particular company by mail order
  • maintenance and cure — the right of an injured sailor to support and medical treatment.
  • maintenance contract — a formal agreement between two parties which states that one party will keep a building, vehicle, machine, etc, belonging to the other party in good condition by regularly checking it and repairing it when necessary
  • make head (n)or tail — If you say that you cannot make head nor tail of something or you cannot make head or tail of it, you are emphasizing that you cannot understand it at all.
  • make head or tail of — to attempt to understand (a problem, etc)
  • make short shrift of — to dispose of quickly and unsympathetically
  • mannitol hexanitrate — a colorless, crystalline, water-insoluble, explosive solid, C 6 H 8 N 6 O 1 8 , used as a fulminating agent in percussion caps and in the treatment of hypertension and coronary insufficiency.
  • manufacturer's agent — an agent representing one or more manufacturers in selling related but noncompeting goods, usually on a commission basis and in a particular territory.
  • mare tranquillitatis — (Sea of Tranquillity) a dark plain in the first quadrant of the face of the moon: about 110,000 sq. mi. (285,000 sq. km).
  • 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
  • marginal probability — (in a multivariate distribution) the probability of one variable taking a specific value irrespective of the values of the others
  • maria theresa thaler — a former silver coin of Austria, issued between 1740 and 1780 and used for trade with Ethiopia and other countries; Levant dollar.
  • marketing department — the department of a commercial organization that deals with the marketing of products
  • marquis de lafayette — Marie Joseph Paul Yves Roch Gilbert du Motier [ma-ree zhaw-zef pawl eev rawk zheel-ber dy maw-tyey] /maˈri ʒɔˈzɛf pɔl iv rɔk ʒilˈbɛr dü mɔˈtyeɪ/ (Show IPA), Marquis de. Also, La Fayette. 1757–1834, French soldier, statesman, and liberal leader, who served in the American Revolutionary Army as aide-de-camp to General Washington, and took a leading part in the French revolutions of 1789 and 1830.
  • marriage certificate — official document recording a marriage
  • mary, queen of scots — family name Stuart. 1542–87, queen of Scotland (1542–67); daughter of James V of Scotland and Mary of Guise. She was married to Francis II of France (1558–60), her cousin Lord Darnley (1565–67), and the Earl of Bothwell (1567–71), who was commonly regarded as Darnley's murderer. She was forced to abdicate in favour of her son (later James VI of Scotland) and fled to England. Imprisoned by Elizabeth I until 1587, she was beheaded for plotting against the English crown
  • mass-energy equation — the equation, E=mc2, formulated by Albert Einstein, expressing the equivalence between mass and energy, where E is energy, m is mass, and c is the velocity of light.
  • master of ceremonies — a person who directs the entertainment at a party, dinner, nightclub, radio or television broadcast, or the like, acting as host and introducing the speakers or performers. Abbreviation: M.C., MC.
  • master of the revels — an English court official from the late 15th to early 18th centuries responsible to the Lord Chamberlain for overseeing and paying for court entertainments.
  • matched-pairs design — (of an experiment) concerned with measuring the values of the dependent variables for pairs of subjects that have been matched to eliminate individual differences and that are respectively subjected to the control and the experimental condition
  • 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 deprivation — the lack of a mother in a child's life, considered a cause of psychological problems later in life
  • maternal health care — care for the health of a pregnant woman provided by a hospital or health centre
  • measure one's length — to fall, lie, or be thrown down at full length
  • 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.
  • megabytes per second — (unit)   (MBps, MB/s) Millions of bytes per second. A unit of data rate. 1 MB/s = 1,000,000 bytes per second (not 1,048,576).
  • megakaryocytopoiesis — (biology) The cellular development process that leads to platelet production.
  • 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.
  • membranous labyrinth — an intricate combination of paths or passages in which it is difficult to find one's way or to reach the exit. Synonyms: maze, network, web.
  • 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.
  • microminiaturization — extreme miniaturization, especially of electronic equipment, with extensive use of integrated circuits.
  • 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.
  • military engineering — the design, construction, etc, of military fortifications and communications
  • military superiority — the power, strength, or numbers of armed forces of a country viewed as an advantage over another country
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