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19-letter words containing o, r, s, m

  • life-support system — A life-support system is the same as a life-support machine.
  • limit of resolution — the capacity of an optical system to resolve point objects as separate images.
  • liouville's theorem — the theorem that every function of a complex variable, bounded and differentiable for all finite values of the variable, is a constant function.
  • lobster-tail helmet — a burgonet fitted with a long, articulated tail of lames for protecting the nape of the neck, worn by cavalry in the 17th century.
  • locomotive workshop — a place where locomotives are built or repaired
  • lumholtz's kangaroo — boongary.
  • lupus erythematosus — any of several autoimmune diseases, especially systemic lupus erythematosus, characterized by red, scaly skin patches.
  • lyon office of arms — Heralds' Office.
  • macaroni and cheese — pasta with cheese sauce
  • machine instruction — (programming)   The smallest element of a machine code program.
  • machine translation — changing language of a text by computer
  • maestro di cappella — a person in charge of an orchestra, esp a private one attached to the palace of a prince in Italy during the baroque period
  • magnesium carbonate — a white powder, MgCO 3 , insoluble in water and alcohol, soluble in acids, used in dentifrices and cosmetics, in medicine as an antacid, and as a refractory material.
  • magnesium hydroxide — a white, crystalline, slightly water-soluble powder, Mg(OH) 2 , used chiefly in medicine as an antacid and as a laxative.
  • 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.
  • 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
  • market segmentation — the division of a market into identifiable groups, esp to improve the effectiveness of a marketing strategy
  • 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
  • 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.
  • 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
  • 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.
  • micromesh stockings — stockings made from a material consisting of a fine mesh
  • mild silver protein — a compound of silver and a protein, applied to mucous membranes as a mild antiseptic.
  • ministry of defence — the government department responsible for the country's military measures or resources
  • minor seventh chord — a chord consisting of a minor triad with an added minor seventh above the root
  • miracle of st. mark — a painting (1548) by Tintoretto.
  • mischaracterization — The act of characterizing something in an inaccurate or misleading way.
  • missionary position — a position for sexual intercourse in which the couple lies face to face with the male on top.
  • missouri compromise — an act of Congress (1820) by which Missouri was admitted as a slave state, Maine as a free state, and slavery was prohibited in the Louisiana Purchase north of latitude 36°30′N, except for Missouri.
  • missouri meerschaum — corncob (def 2).
  • modulus of rigidity — shear modulus.
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