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22-letter words containing c, d, s, i

  • liquid crystal display — (hardware)   (LCD) An electro-optical device used to display digits, characters or images, commonly used in digital watches, calculators, and portable computers. The heart of the liquid crystal display is a piece of liquid crystal material placed between a pair of transparent electrodes. The liquid crystal changes the phase of the light passing through it and this phase change can be controlled by the voltage applied between the electrodes. If such a unit is placed between a pair of plane polariser plates then light can pass through it only if the correct voltage is applied. Liquid crystal displays are formed by integrating a number of such cells, or more usually, by using a single liquid crystal plate and a pattern of electrodes. The simplest kind of liquid crystal displays, those used in digital watches and calculators, contain a common electrode plane covering one side and a pattern of electrodes on the other. These electrodes can be individually controlled to produce the appropriate display. Computer displays, however, require far too many pixels (typically between 50,000 and several millions) to make this scheme, in particular its wiring, feasible. The electrodes are therefore replaced by a number of row electrodes on one side and column electrodes on the other. By applying voltage to one row and several columns the pixels at the intersections are set. The pixels being set one row after the other, in passive matrix displays the number of rows is limited by the ratio of the setting and fading times. In the setup described above (known as "twisted nematic") the number of rows is limited to about 20. Using an alternative "supertwisted nematic" setup VGA quality displays (480 rows) can be easily built. As of 1995 most notebook computers used this technique. Fading can be slowed by putting an active element, such as a transistor, on the top of each pixel. This "remembers" the setting of that pixel. These active matrix displays are of much better quality (as good as CRTs) but are much more expensive than the passive matrix displays. LCDs are slimmer, lighter and consume less power than the previous dominant display type, the cathode ray tube, hence their importance for portable computers.
  • lord high commissioner — the Queen's representative
  • lord justice of appeal — an ordinary judge of the Court of Appeal
  • lunar excursion module — lunar module. Abbreviation: LEM.
  • manufacturing industry — the industry of manufacturing goods from raw materials
  • middle atlantic states — the states of New York, Pennsylvania, and New Jersey
  • middle-distance runner — someone who runs races of a length between the sprints and the distance events, esp the 800 metres and the 1500 metres
  • molecular distillation — a vacuum distillation in which the molecules of the distillate reach the condenser before colliding with one another.
  • most significant digit — the digit farthest to the left in a number. Abbreviation: MSD.
  • motoring correspondent — a journalist who reviews and writes about cars
  • national semiconductor — (company)   A semiconductor manufacturer, responsible for the SC/MP, National Semiconductor 16000 and National Semiconductor 32000 series of microprocessors.
  • nicky nicky nine doors — the practice of knocking on a door or ringing a doorbell and running away before it is answered
  • nodal switching system — (NSS) Main routing nodes in the NSFnet backbone.
  • nominal semidestructor — (abuse)   Slang for "National Semiconductor", found among other places in the 4.3BSD networking sources. During the late 1970s to mid-1980s this company marketed a series of microprocessors including the National Semiconductor 16000 and National Semiconductor 32000. At one point early in the great microprocessor race, the specs on these chips made them look like serious competition for the rising Intel 80x86 and Motorola 680x0 series. Unfortunately, the actual parts were notoriously flaky and never implemented the full instruction set promised in their literature, apparently because the company couldn't get any of the mask steppings to work as designed. They eventually sank without trace, joining the Zilog Z8000 and a few even more obscure also-rans in the graveyard of forgotten microprocessors.
  • nondestructive testing — any of several methods of detecting flaws in metals without causing damage. The most common techniques involve the use of X-rays, gamma rays, and ultrasonic vibrations
  • object-oriented design — (programming)   (OOD) A design method in which a system is modelled as a collection of cooperating objects and individual objects are treated as instances of a class within a class hierarchy. Four stages can be identified: identify the classes and objects, identify their semantics, identify their relationships and specify class and object interfaces and implementation. Object-oriented design is one of the stages of object-oriented programming.
  • object-oriented pascal — Object Pascal
  • open source definition — (standard)   (OSD) Definition of distribution terms for open source software, promoted by the Open Source Initiative.
  • other side of the coin — a piece of metal stamped and issued by the authority of a government for use as money.
  • ousterhout's dichotomy — (language)   John Ousterhout's division of high-level languages into "system programming languages" and "scripting languages". This distinction underlies the design of his language Tcl. System programming languages (or "applications languages") are strongly typed, allow arbitrarily complex data structures, and programs in them are compiled, and are meant to operate largely independently of other programs. Prototypical system programming languages are C and Modula-2. By contrast, scripting languages (or "glue languages") are weakly typed or untyped, have little or no provision for complex data structures, and programs in them ("scripts") are interpreted. Scripts need to interact either with other programs (often as glue) or with a set of functions provided by the interpreter, as with the file system functions provided in a UNIX shell and with Tcl's GUI functions. Prototypical scripting languages are AppleScript, C Shell, MS-DOS batch files and Tcl. Many believe that this is a highly arbitrary dichotomy, and refer to it as "Ousterhout's fallacy" or "Ousterhout's false dichotomy". While strong-versus-weak typing, data structure complexity, and independent versus stand-alone might be said to be unrelated features, the usual critique of Ousterhout's dichotomy is of its distinction of compilation versus interpretation, since neither semantics nor syntax depend significantly on whether code is compiled into machine-language, interpreted, tokenized, or byte-compiled at the start of each run, or any mixture of these. Many languages fall between being interpreted or compiled (e.g. Lisp, Forth, UCSD Pascal, Perl, and Java). This makes compilation versus interpretation a dubious parameter in a taxonomy of programming languages.
  • padparadschah sapphire — a rare, yellowish-orange sapphire found in Sri Lanka.
  • paracoccidioidomycosis — a chronic infection caused by the fungus Paracoccidioides brasiliensis, occurring in Mexico and in Central and South America, characterized by mouth and throat ulcers, weight loss, and lesions on the skin, intestines, and genitals.
  • paranoid schizophrenia — severe psychiatric disorder
  • paroxysmal tachycardia — tachycardia that begins and subsides suddenly.
  • peanut-butter sandwich — a sandwich with a filling of peanut-butter
  • phosphorus trichloride — a clear, colorless, fuming liquid, PCl 3 , used chiefly in organic synthesis as a chlorinating agent.
  • pizza delivery service — a service whereby a pizza restaurant delivers pizzas to customers who order by telephone
  • planck's radiation law — the law that energy associated with electromagnetic radiation, as light, is composed of discrete quanta of energy, each quantum equal to Planck's constant times the corresponding frequency of the radiation: the fundamental law of quantum mechanics.
  • plastic pin grid array — (hardware, processor)   (PPGA) The package used for certain Intel Celeron processors. PPGA processors fit into Socket 370 motherboard sockets. The Plastic Pin Grid Array packaging is similar to that used on Pentium processors. The silicon core is covered by a heat slug that faces down toward the motherboard. The Celeron 300A to the 533 use a PPGA package. The Celeron 566 onward use a FC-PGA package. Celeron processors are also available in Slot 1 SEPP packaging.
  • play one's cards right — a usually rectangular piece of stiff paper, thin pasteboard, or plastic for various uses, as to write information on or printed as a means of identifying the holder: a 3″ × 5″ file card; a membership card.
  • poor richard's almanac — an almanac (1732–58) written and published by Benjamin Franklin.
  • post office department — former name of United States Postal Service.
  • potassium ferricyanide — a bright-red, crystalline, water-soluble, poisonous solid, K 3 Fe(CN) 6 , used chiefly in the manufacture of pigments, as Prussian blue, and of paper, especially blueprint paper.
  • potassium ferrocyanide — a lemon-yellow, crystalline, water-soluble solid, K 4 Fe(CN) 6 ⋅3H 2 O, used chiefly in casehardening alloys having an iron base and in dyeing wool and silk.
  • prawn-sandwich brigade — sports fans who are perceived to lack passion and commitment, and who it is supposed attend matches in order to eat food and buy merchandise rather than cheer on their team
  • prince edward islander — a native or inhabitant of Prince Edward Island
  • prince of wales island — the largest island in the Alexander Archipelago, in SE Alaska. 1500 sq. mi. (3990 sq. km).
  • privileged instruction — A machine code instruction that may only be executed when the processor is running in supervisor mode. Privileged instructions include operations such as I/O and memory management.
  • programmed instruction — a progressively monitored, step-by-step teaching method, employing small units of information or learning material and frequent testing, whereby the student must complete or pass one stage before moving on to the next.
  • public domain software — public domain
  • quantum chromodynamics — a quantum field theory that describes quarks and gluons and their interactions, with the color of the quarks playing a role analogous to that of electric charge. Abbreviation: QCD. Also called chromodynamics. Compare color (def 18).
  • queen's bench division — (in England when the sovereign is female) one of the divisions of the High Court of Justice
  • reproductive isolation — the conditions, as physiological or behavioral differences or geographical barriers, that prevent potentially interbreeding populations from cross-fertilization.
  • residents' association — A residents' association is an organization of people who live in a particular area. Residents' associations have meetings and take action to make the area more pleasant to live in.
  • respond to a complaint — If you respond to a complaint, you answer a customer who expressed their dissatisfaction with something.
  • restricted users group — a group of people who, with knowledge of a secret password, or by some other method, have access to restricted information stored in a computer
  • reverse discrimination — the unfair treatment of members of majority groups resulting from preferential policies, as in college admissions or employment, intended to remedy earlier discrimination against minorities.
  • round-table discussion — a discussion held at a meeting of parties or people on equal terms
  • rural delivery service — mail delivery operated primarily to deliver and collect mail in rural communities with no other convenient postal facilities.
  • rural district council — (in England and Wales from 1888 to 1974 and Northern Ireland from 1898 to 1973) a group of people elected to govern a rural division of a county
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