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13-letter words containing m, e, c, l

  • lake michigan — a state in the N central United States. 58,216 sq. mi. (150,780 sq. km). Capital: Lansing. Abbreviation: MI (for use with zip code), Mich.
  • lamellibranch — bivalve.
  • laminectomies — Plural form of laminectomy.
  • laryngectomee — someone who has had a laryngectomy
  • latin america — the part of the American continents south of the United States in which Spanish, Portuguese, or French is officially spoken.
  • lead chromate — a yellow crystalline compound, PbCrO 4 , toxic, insoluble in water: used as an industrial paint pigment.
  • lectisternium — (in ancient Rome) a religious rite in which the images of the gods were placed upon couches around a table, upon which was set a feast
  • legacy system — (jargon)   A computer system or application program which continues to be used because of the cost of replacing or redesigning it and often despite its poor competitiveness and compatibility with modern equivalents. The implication is that the system is large, monolithic and difficult to modify. If legacy software only runs on antiquated hardware the cost of maintaining this may eventually outweigh the cost of replacing both the software and hardware unless some form of emulation or backward compatibility allows the software to run on new hardware.
  • leucaemogenic — leukemogenic
  • leukaemogenic — relating to the development of leukaemia, or causing leukaemia
  • liebfraumilch — a white wine produced chiefly in the region of Hesse in Germany.
  • limbic system — a ring of interconnected structures in the midline of the brain around the hypothalamus, involved with emotion and memory and with homeostatic regulatory systems.
  • line spectrum — an electromagnetic spectrum consisting of discrete lines, usually characteristic of excited atoms or molecules.
  • little cayman — an island in the W Caribbean: smallest of the Cayman Islands, NE of Grand Cayman. 10 sq. mi. (26 sq. km).
  • lockwood home — a house built of timber planks that lock together without the use of nails
  • lower chamber — lower house.
  • lowerclassman — underclassman.
  • lowerclassmen — underclassman.
  • lucid dreamer — a person who has lucid dreams, either naturally or as a result of training
  • lucifer match — friction match.
  • lucretia mott — John Raleigh, 1865–1955, U.S. religious leader: Nobel Peace Prize 1946.
  • lumber jacket — a short, straight, wool plaid jacket or coat, for informal wear, usually belted and having patch pockets.
  • lumberjackets — Plural form of lumberjacket.
  • luncheon meat — any of various sausages or molded loaf meats, usually sliced and served cold, as in sandwiches or as garnishes for salads.
  • lymphoid cell — a cell in the lymph glands that produces leukocytes.
  • machiavellian — of, like, or befitting Machiavelli.
  • machiavellism — of, like, or befitting Machiavelli.
  • machine cycle — (processor)   The four steps which the CPU carries out for each machine language instruction: fetch, decode, execute, and store. These steps are performed by the control unit, and may be fixed in the logic of the CPU or may be programmed as microcode which is itself usually fixed (in ROM) but may be (partially) modifiable (stored in RAM). The fetch cycle places the current program counter contents (the address of the next instruction to execute) on the address bus and reads in the word at that location into the instruction register (IR). In RISC CPUs instructions are usually a single word but in other architectures an instruction may be several words long, necessitating several fetches. The decode cycle uses the contents of the IR to determine which gates should be opened between the CPU's various functional units and busses and what operation the ALU(s) should perform (e.g. add, bitwise and). Each gate allows data to flow from one unit to another (e.g. from register 0 to ALU input 1) or enables data from one output onto a certain bus. In the simplest case ("horizontal encoding") each bit of the instruction register controls a single gate or several bits may control the ALU operation. This is rarely used because it requires long instruction words (such an architecture is sometimes called a very long instruction word architecture). Commonly, groups of bits from the IR are fed through decoders to control higher level aspects of the CPU's operation, e.g. source and destination registers, addressing mode and ALU operation. This is known as vertical encoding. One way RISC processors gain their advantage in speed is by having simple instruction decoding which can be performed quickly. The execute cycle occurs when the decoding logic has settled and entails the passing of values between the various function units and busses and the operation of the ALU. A simple instruction will require only a single execute cycle whereas a complex instruction (e.g. subroutine call or one using memory indirect addressing) may require three or four. Instructions in a RISC typically (but not invariably) take only a single cycle. The store cycle is when the result of the instruction is written to its destination, either a register or a memory location. This is really part of the execute cycle because some instructions may write to multiple destinations as part of their execution.
  • machine-steel — low-carbon steel that can be easily machined.
  • mackerel gull — tern1 .
  • macrencephaly — The presence of an abnormally large brain.
  • macro-mineral — any mineral required in the diet in relatively large amounts, especially calcium, iron, magnesium, phosphorus, potassium, and zinc.
  • macrocephalic — Cephalometry. being or having a head with a large cranial capacity.
  • macrocephalus — Alternative spelling of macrocephalous.
  • macroclimates — Plural form of macroclimate.
  • macrolecithal — megalecithal.
  • macromolecule — a very large molecule, as a colloidal particle, protein, or especially a polymer, composed of hundreds or thousands of atoms.
  • macronucleate — having a macronucleus.
  • magic lantern — a device having an enclosed lamp and a lenslike opening, formerly used for projecting and magnifying images mounted on slides or films.
  • magic realism — a style of painting and literature in which fantastic or imaginary and often unsettling images or events are depicted in a sharply detailed, realistic manner.
  • magnet school — a public school with special programs and instruction that are not available elsewhere in a school district and that are specially designed to draw students from throughout a district, especially to aid in desegregation.
  • magnetic flux — the total magnetic induction crossing a surface, equal to the integral of the component of magnetic induction perpendicular to the surface over the surface: usually measured in webers or maxwells.
  • magnetic lens — Physics. an electron lens using magnetic fields for focusing an electron beam.
  • magnetic pole — the region of a magnet toward which the lines of magnetic induction converge (south pole) or from which the lines of induction diverge (north pole)
  • magnificently — making a splendid appearance or show; of exceptional beauty, size, etc.: a magnificent cathedral; magnificent scenery.
  • magniloquence — speaking or expressed in a lofty or grandiose style; pompous; bombastic; boastful.
  • magnoliaceous — belonging to the plant family Magnoliaceae.
  • maiden castle — an ancient fortification in Dorsetshire, England, first erected c250 b.c. over the remains of Neolithic and Bronze Age settlements of c2000–c1500 b.c.
  • major medical — insurance designed to compensate for particularly large medical expenses due to a severe or prolonged illness, usually by paying a high percentage of medical bills above a certain amount.
  • make-up class — a course of teaching in the application of make-up
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