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20-letter words containing a, m, e, n, g

  • macular degeneration — degeneration of the central portion of the retina, resulting in a loss of sharp vision.
  • magnetic card reader — a device that scans and interprets information from a card with a magnetic stripe
  • magnetic coefficient — any of various factors affecting the sensitivity of a ship's magnetic compass as a result of its construction or environment.
  • magnetic declination — variation (def 8).
  • magnetic inclination — to plunge (something, as a cloth or sponge) temporarily into a liquid, so as to moisten it, dye it, or cause it to take up some of the liquid: He dipped the brush into the paint bucket.
  • magneto-optical disk — (hardware, storage)   (MO) A plastic or glass disk coated with a compound (often TbFeCo) with special optical, magnetic and thermal properties. The disk is read by bouncing a low-intensity laser off the disk. Originally the laser was infrared, but frequencies up to blue may be possible giving higher storage density. The polarisation of the reflected light depends on the polarity of the stored magnetic field. To write, a higher intensity laser heats the coating up to its Curie point, allowing its magnetisation to be altered in a way that is retained when it has cooled. Although optical, they appear as hard drives to the operating system and do not require a special filesystem (they can be formatted as FAT, HPFS, NTFS, etc.). The initial 5.25" MO drives, introduced at the end of the 1980s, were the size of a full-height 5.25" hard drive (like in IBM PC XT) and the disks looked like a CD-ROM enclosed in an old-style cartridge In 2006, a 3.5" drive has the size of 1.44 megabyte diskette drive with disks about the size of a regular 1.44MB floppy disc but twice the thickness.
  • 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.
  • mail exchange record — (messaging)   (MX Record) A DNS resource record type that says which SMTP server handles electronic mail for a particular domain. E.g. the MX record foo.co.uk. 1054 IN MX 10 mail.foo.co.uk. means that mail for an address like "[email protected]" should be sent to "mail.foo.co.uk". There can be several servers for a domain. The "10" is a priority - the server with the lowest number will be tried first.
  • mail transport agent — Message Transfer Agent
  • malpighian corpuscle — Also called kidney corpuscle, Malpighian body. the structure at the beginning of a vertebrate nephron, consisting of a glomerulus and its surrounding Bowman's capsule.
  • management committee — a committee of managers or senior members of an organization who are in charge of directing that organization
  • 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.
  • 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
  • marketing department — the department of a commercial organization that deals with the marketing of products
  • 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.
  • 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
  • maximum segment size — (networking)   (MSS) The maximum amount of TCP data that a node can send in one segment. This should be the size of the receiver's reassembly buffer to try to avoid fragmentation. The equivalent at the physical layer is "Maximum Transmission Unit".
  • mean something to sb — If a name, word, or phrase means something to you, you have heard it before and you know what it refers to.
  • measure one's length — to fall, lie, or be thrown down at full length
  • mechanical advantage — the ratio of output force to the input force applied to a mechanism.
  • 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).
  • mexican jumping bean — jumping bean.
  • microwave background — a background of microwave electromagnetic radiation with a black-body spectrum discovered in 1965, understood to be the thermal remnant of the big bang with which the universe began
  • military engineering — the design, construction, etc, of military fortifications and communications
  • minimum lending rate — the official interest rate charged by the Bank of England and below which it will refrain from lending money.
  • molecular gastronomy — an approach to cooking in which a chef’s knowledge of physics, chemistry, and biology allows him or her to experiment with unusual flavour combinations and cooking techniques
  • molecular geneticist — a specialist in the study of the molecular constitution of genes and chromosomes
  • monosodium glutamate — a white, crystalline, water-soluble powder, C 5 H 8 NNaO 4 ⋅H 2 O, used to intensify the flavor of foods.
  • mopping-up operation — an operation after a battle or campaign to root out remaining enemy forces or installations
  • most general unifier — (logic)   If U is the most general unifier of a set of expressions then any other unifier, V, can be expressed as V = UW, where W is another substitution. See also unification.
  • multicast addressing — Ethernet addressing scheme used to send packets to devices of a certain type or for broadcasting to all nodes. The least significant bit of the most significant byte of a multi-cast address is one.
  • navigable semicircle — the less violent half of a cyclone; the half blowing in the direction opposite to that in which the cyclone is moving and in which a vessel can run before the wind.
  • negative campaigning — political campaigning in which a politician or party focuses on criticizing another politician or party rather than emphasizing their own positive qualities
  • next program counter — (architecture)   (nPC) A register in a CPU that contains the address of the instruction to be executed next.
  • nictitating membrane — a thin membrane, or inner or third eyelid, present in many animals, capable of being drawn across the eyeball, as for protection.
  • no lack of something — If you say there is no lack of something, you are emphasizing that there is a great deal of it.
  • nonrepeating decimal — a decimal representation of any irrational number, having the property that no sequence of digits is repeated ad infinitum.
  • omega-minus particle — a baryon with strangeness −3, isotopic spin 0, and negative charge; predicted from the mathematics of the Eightfold Way and subsequently discovered. Symbol: Ω −.
  • ontological argument — an a priori argument for the existence of God, asserting that as existence is a perfection, and as God is conceived of as the most perfect being, it follows that God must exist; originated by Anselm, later used by Duns Scotus, Descartes, and Leibniz.
  • optical mark reading — the reading of marks by an optical device whereby the information can be stored in machine-readable form
  • pan-american highway — a road system proposed in the 1920s linking nations of the Western Hemisphere, extending from Alaska to Santiago, Chile, with some gaps remaining in Panama and Colombia. The section between Nuevo Laredo, Mexico and Panama City is known as the Inter-American Highway Total length about 16,000 miles (25,744 km).
  • paternal grandmother — the mother of someone's father
  • peremptory challenge — a formal objection to the service of a juror by a party to a criminal prosecution or a civil action that requires no showing of cause.
  • personnel management — the branch of management dealing with staff recruitment and matters relating to employees
  • piezomagnetic effect — the production of a magnetic field by applying a mechanical stress to certain crystals
  • poor man's something — a (cheaper) substitute for something
  • prenuptial agreement — A prenuptial agreement is a written contract made between a man and a woman before they marry, in which they state how their assets such as property and money should be divided if they get divorced.
  • presentation manager — The elephantine graphical user interface to the OS/2 operating system.
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