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20-letter words containing c, a, d, g

  • digital data service — (communications)   (DDS) The class of service offered by telecommunications companies for transmitting digital data as opposed to voice.
  • digital service unit — data service unit
  • directional drilling — a method of drilling for oil in which the well is not drilled vertically, as when a number of wells are to be drilled from a single platform to reach different areas of an oil field
  • directory user agent — (DUA) The software that accesses the X.500 Directory Service on behalf of the directory user. The directory user may be a person or another software element.
  • disciplinary hearing — a hearing at which the conduct of a member of an organization, profession etc is examined and a punishment may be handed down
  • displacement tonnage — the number of long tons of water displaced by a vessel, light or load displacement being specified.
  • disruptive discharge — the sudden, large increase in current through an insulating medium resulting from complete failure of the medium under electrostatic stress.
  • domestic heating oil — a liquid petroleum product used to fuel residential building furnaces or boilers
  • drum and bugle corps — a marching band of drum players and buglers.
  • dual in-line package — (hardware)   (DIL, DIP) The most common type of package for small and medium scale integrated circuits, with up to about 48 pins. The pins hang vertically from the two long edges of the rectangular package, spaced at intervals of 0.1 inch. The pins fit through holes in the circuit board to which they are soldered or into a socket.
  • dynamic data linking — Dynamic Data Exchange
  • electrocardiographic — Of or pertaining to an electrocardiogram (ECG) or electrocardiograph.
  • fission-track dating — the dating of samples of minerals by comparing the tracks in them by fission fragments of the uranium nuclei they contain, before and after irradiation by neutrons
  • fixed-rate financing — a loan system in which the amount paid back does not fluctuate according to interest rated
  • flight data recorder — a recording device that records relevant data during an aircraft's flight
  • fulminating compound — a fulminate.
  • fuming sulfuric acid — an oily, hygroscopic, corrosive liquid, H 2 S 2 O 7 , that, depending on purity, is colorless or dark brown: used chiefly as a dehydrating agent in the manufacture of explosives and as a sulfating or sulfonating agent in the manufacture of dyes.
  • garcilaso de la vega — 1503?–36, Spanish poet.
  • genetically modified — biologically altered
  • grade school teacher — a teacher in a grade school
  • grey-crowned babbler — an insect-eating Australian bird, Pomatostomus temporalis of the family Timaliidae
  • guarded horn clauses — (language)   (GHC) A parallel dialect of Prolog by K. Ueda in which each clause has a guard. GHC is similar to Parlog. When several clauses match a goal, their guards are evaluated in parallel and the first clause whose guard is found to be true is used and others are rejected. It uses committed-choice nondeterminism. See also FGHC, KL1.
  • guillaume de machaut — Guillaume de [French gee-yohm duh] /French giˈyoʊm də/ (Show IPA), Guillaume de Machaut.
  • hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
  • hydraulic fracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
  • in flagrante delicto — Law. in the very act of committing the offense.
  • industrial sociology — the sociological study of social relationships and social structures in business settings.
  • into/in cold storage — If you put an idea or plan into cold storage or in cold storage, you delay it for a while rather than acting on it as you originally intended.
  • judicial proceedings — any action involving or carried out by a court of law
  • knock-down, drag-out — characterized by great violence, harshness, animosity, etc.
  • la canada-flintridge — a town in SW California.
  • labour-saving device — a machine, gadget, etc, that reduces (human) effort, hard work or labour
  • languedoc-roussillon — a region of S France, on the Gulf of Lions: consists of the departments of Lozère, Gard, Hérault, Aude, and Pyrénées-Orientales; mainly mountainous with a coastal plain
  • long island iced tea — a potent cocktail consisting of equal parts of, typically, five different distilled alcoholic liquors, usually vodka, gin, rum, tequila, and triple sec, with a small amount of mixer, usually cola
  • longitude by account — the longitude of the position of a vessel as estimated by dead reckoning.
  • longitudinal section — the representation of an object as it would appear if cut by the vertical plane passing through the longest axis of the object.
  • lord high chancellor — the highest judicial officer of the British crown: law adviser of the ministry, keeper of the great seal, presiding officer in the House of Lords, etc.
  • 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 declination — variation (def 8).
  • 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.
  • 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-order catalogue — a catalogue of goods you can buy from a particular company by mail order
  • 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
  • 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
  • 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).
  • 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
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