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13-letter words containing a, l, c, m, n

  • logarithmancy — Divination using logarithms.
  • low churchman — a person who advocates or follows Low Church practices.
  • lowerclassman — underclassman.
  • lowerclassmen — underclassman.
  • luncheon meat — any of various sausages or molded loaf meats, usually sliced and served cold, as in sandwiches or as garnishes for salads.
  • machiavellian — of, like, or befitting Machiavelli.
  • machicolation — an opening in the floor between the corbels of a projecting gallery or parapet, as on a wall or in the vault of a passage, through which missiles, molten lead, etc., might be cast upon an enemy beneath.
  • machilipatnam — a city in E Andhra Pradesh state, in S India, on the Bay of Bengal: first British trading settlement 1611.
  • machinability — The condition of being machinable.
  • 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.
  • 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.
  • macrodiagonal — the longer of two diagonals
  • macroglobulin — A plasma globulin of high molecular weight.
  • macronucleate — having a macronucleus.
  • macroplankton — planktonic organisms of about 1 mm in length.
  • magic lantern — a device having an enclosed lamp and a lenslike opening, formerly used for projecting and magnifying images mounted on slides or films.
  • 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.
  • malacostracan — belonging or pertaining to the crustacean subclass Malacostraca, which includes the lobsters, shrimps, crabs, etc.
  • malfunctional — Not functioning as intended.
  • malfunctioned — Simple past tense and past participle of malfunction.
  • maliciousness — full of, characterized by, or showing malice; intentionally harmful; spiteful: malicious gossip.
  • malleoincudal — Of or relating to both the malleus and the incus.
  • manhole cover — a removable metal plate covering a shaft that leads down to a sewer or drain
  • manon lescaut — a novel (1731) by Antoine François Prévost.
  • many-coloured — having many colours
  • marching girl — one of a team of girls dressed in fancy uniform who perform marching formations
  • marginal cost — the cost of one additional unit of any item produced or bought in quantity.
  • mariage blanc — unconsummated marriage
  • masculineness — The state or condition of being masculine.
  • masculinities — Plural form of masculinity.
  • matchlessness — The state or condition of being matchless.
  • maternalistic — of, pertaining to, having the qualities of, or befitting a mother: maternal instincts.
  • matriculating — Present participle of matriculate.
  • matriculation — to enroll in a college or university as a candidate for a degree.
  • medicine ball — a large, solid, heavy, leather-covered ball, thrown from one person to another for exercise.
  • meeting place — A meeting place is a place where people meet.
  • megalomaniacs — Plural form of megalomaniac.
  • melancholious — (obsolete) melancholy.
  • melanochroous — having dark-coloured or black skin
  • mellification — the production of honey from nectar
  • melvin conway — (person)   An early proto-hacker who wrote an assembler for the Burroughs 220 called SAVE and (probably) formulated Conway's Law.
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