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19-letter words containing r, o, m

  • magnesium hydroxide — a white, crystalline, slightly water-soluble powder, Mg(OH) 2 , used chiefly in medicine as an antacid and as a laxative.
  • magnetic north pole — the point on Earth to where a compass needle points, and which is situated near the geographic North Pole. However, with time, the exact location can vary.
  • magnetohydrodynamic — Of or pertaining to magnetohydrodynamics.
  • magnetomotive force — a scalar quantity that is a measure of the sources of magnetic flux in a magnetic circuit. Abbreviation: mmf.
  • major seventh chord — a chord much used in modern music, esp jazz and pop, consisting of a major triad with an added major seventh above the root
  • make a pig's ear of — to ruin disastrously
  • make oneself scarce — insufficient to satisfy the need or demand; not abundant: Meat and butter were scarce during the war.
  • malice aforethought — a predetermination to commit an unlawful act without just cause or provocation (applied chiefly to cases of first-degree murder).
  • malleable cast iron — white cast iron that has been malleablized.
  • manchester autocode — (language, history)   The predecessor of Mercury Autocode.
  • manchester encoding — (communications, protocol)   A method of transmitting bits which enables the receiver to easily synchronise with the sender. A simple way of signalling bits might be to transmit a high voltage for some period for a 1-bit and a low voltage for a 0 bit: Bits Sent: 1 1 0 0 Signal: High ___ Low |___ Time: -> . . . . . However, when several identical bits are sent in succession, this provides no information to the receiver about when each bit starts and stops. Manchester encoding splits each bit period into two, and ensures that there is always a transition between the signal levels in the middle of each bit. This allows the receiver to synchronise with the sender. In normal Manchester encoding, a 1-bit is transmitted with a high voltage in the first period, and a low voltage in the second, and vice verse for the 0 bit: Bits Sent: 1 1 0 0 Signal: High Low || |_| || Time: -> . ' . ' . ' . ' . In Differential Manchester encoding, a 1-bit is indicated by making the first half of the signal equal to the last half of the previous bit's signal and a 0-bit is indicated by making the first half of the signal opposite to the last half of the previous bit's signal. That is, a zero bit is indicated by a transition at the beginning of the bit. Like normal Manchester encoding, there is always a transition in the middle of the transmission of the bit. Differential Manchester Encoding Bits Sent: 1 1 0 0 Signal: High __ Low |_| || || Time: -> . ' . ' . ' . ' . With each bit period half as long, twice as much bandwidth is required when using either of the Manchester encoding schemes.
  • manual transmission — an automotive transmission in which the driver shifts gears manually.
  • maraschino cherries — cherries in a syrup flavored with maraschino or, now usually, imitation maraschino
  • maratha confederacy — a loose league of states in central and western India, c1750–1818.
  • margaret of navarre — 1492–1549, queen of Navarre 1544–49: patron of literature, author of stories, and poet.
  • market segmentation — the division of a market into identifiable groups, esp to improve the effectiveness of a marketing strategy
  • mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
  • mary wollstonecraft — Mary (Mary Wollstonecraft Godwin) 1759–97, English author and feminist (mother of Mary Shelley).
  • massive retaliation — a strategy of military counterattack that involves the use of nuclear weapons.
  • master of foxhounds — the person responsible for the conduct of a fox hunt and to whom all members of the hunt and its staff are responsible. Abbreviation: M.F.H.
  • master of the horse — (in England) the third official of the royal household
  • master of the rolls — (in England and Wales) the judge who presides over the Court of Appeal (Civil Division) and who was formerly Keeper of the Records at the Public Record Office
  • maternity allowance — (in the British National Insurance scheme) a payment made to a pregnant woman who usually works but does not qualify for statutory maternity pay, normally from 11 weeks before confinement for a period of 18 weeks
  • matthias i corvinus — ?1440–90, king of Hungary (1458–90): built up the most powerful kingdom in Central Europe. A patron of Renaissance art, he founded the Corvina library, one of the finest in Europe
  • maturation division — a stage in meiosis during which the chromosomal number of the reproductive cell is reduced to one chromosome from each original chromosome pair.
  • maximum thermometer — a thermometer designed to show the highest temperature recorded between resettings.
  • mayor of the palace — one of a line of hereditary administrative lieutenants to the Merovingian kings who eventually took over royal function and title in the Frankish kingdoms; a palatine.
  • means of production — resources: equipment, workers
  • measure for measure — a comedy (1604) by Shakespeare.
  • medroxyprogesterone — a progesterone derivative, C 2 4 H 3 4 O 4 , used in the treatment of abnormal uterine bleeding and secondary amenorrhea, as a contraceptive of long duration, and in the treatment of certain cancers.
  • megabits per second — (unit)   (Mbps, Mb/s) Millions of bits per second. A unit of data rate. 1 Mb/s = 1,000,000 bits per second (not 1,048,576). E.g. Ethernet can carry 10 Mbps.
  • melodic minor scale — minor scale (def 2).
  • membership function — fuzzy subset
  • memory like a sieve — a very poor memory
  • mercator projection — a conformal projection on which any rhumb line is represented as a straight line, used chiefly in navigation, though the scale varies with latitude and areal size and the shapes of large areas are greatly distorted.
  • mercurial barometer — mercury barometer.
  • mercury-vapour lamp — a lamp in which an electric discharge through a low pressure of mercury vapour is used to produce a greenish-blue light. It is used for street lighting and is also a source of ultraviolet radiation
  • metaphosphoric acid — an acid, HPO 3 , derived from phosphorous pentoxide, and containing the smallest amount of water of the phosphoric acids.
  • metatarsophalangeal — (anatomy) Relating to the metatarsus and phalange.
  • meter-candle-second — a unit of light-exposure equivalent to one lux for one second.
  • metropolitan county — (in England) any of the six conurbations established as administrative units in the new local government system in 1974; the metropolitan county councils were abolished in 1986
  • metropolitanization — to make metropolitan.
  • microelectronically — by microcircuits
  • micromesh stockings — stockings made from a material consisting of a fine mesh
  • midafternoon prayer — the fifth of the seven canonical hours; none
  • midnight regulation — a rule or directive approved by the federal government near the end of a president’s term of office
  • mild silver protein — a compound of silver and a protein, applied to mucous membranes as a mild antiseptic.
  • military government — a government in defeated territory administered by the military commander of a conquering nation.
  • military pentathlon — an athletic contest comprising five different events, a 300-meter freestyle swim, a 4000-meter cross-country run, a 5000-meter equestrian steeplechase, épée fencing, and pistol target-shooting at 25 meters, the winner being the contestant with the highest total score.
  • mine of information — source of great knowledge
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