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20-letter words containing a, d, u, e

  • 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.
  • multimedia extension — Matrix Math eXtensions
  • multistep hydroplane — a motorship having a flat bottom built as a series of planes inclined forward, the ship planing on each from stem to stern as its speed increases.
  • mum-and-dad investor — a small-scale non-professional investor
  • neighbourhood warden — a person employed by a local authority to patrol residential areas and deal with antisocial behaviour
  • net national product — the gross national product less allowance for depreciation of capital goods. Abbreviation: NNP.
  • new zealand fur seal — an Australasian seal, Arctocephalus forsteri
  • newcastle-under-lyme — a town in W central England, in Staffordshire. Pop: 74 427 (2001)
  • nodding acquaintance — a slight, incomplete, or superficial knowledge (of something or someone): He had only a nodding acquaintance with Italian and didn't trust it to get him through the tour. Although we were neighbors for several years, we had only a nodding acquaintance.
  • nonaccidental injury — damage, such as a bruise, burn, or fracture, deliberately inflicted on a child or an old person
  • noninstitutionalized — Not institutionalized.
  • nostalgie de la boue — a desire for or attraction to crudity, vulgarity, depravity, etc.
  • notre dame mountains — a mountain range in E Quebec, Canada, an extension of the Green Mountains in Vermont and a portion of the Appalachian Mountains: about 500 miles (800 km) long, rising about 2000 feet (610 meters).
  • obfuscated c contest — (programming)   The International Obfuscated C Code Contest (IOCCC) is an annual contest run since 1984 over Usenet by Landon Curt Noll and friends. The overall winner is whoever produces the most unreadable, creative, and bizarre (but working) C program. Various other prizes are awarded at the judges' whim. C's terse syntax and macro-preprocessor facilities give contestants a lot of maneuvering room. The winning programs often manage to be simultaneously funny, breathtaking works of art and horrible examples of how *not* to code in C. This relatively short and sweet hello, world program demonstrates obfuscated C: /* HELLO WORLD program * by Jack Applin and Robert Heckendorn, 1985 */ main(v,c)char**c;{for(v[c++]="Hello, world!\n)"; (!!c)[*c]&&(v--||--c&&execlp(*c,*c,c[!!c]+!!c,!c)); **c=!c)write(!!*c,*c,!!**c);} Here's another good one: /* Program to compute an approximation of pi * by Brian Westley, 1988 */ #define _ -F<00||--F-OO--; int F=00,OO=00; main(){F_OO();printf("%1.3f\n",4.*-F/OO/OO);}F_OO() { _-_-_-_ _-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_-_-_-_-_ _-_-_-_-_-_-_-_ _-_-_-_ } Note that this program works by computing its own area. For more digits, write a bigger program.
  • occupational disease — Also called industrial disease. a disease caused by the conditions or hazards of a particular occupation.
  • ode on a grecian urn — a poem (1819) by Keats.
  • officer of the guard — an officer, acting under the officer of the day, who is responsible for the instruction, discipline, and performance of duty of the guard in a post, camp, or station. Abbreviation: OG, O.G.
  • pappus of alexandria — 3rd century bc, Greek mathematician, whose eight-volume Synagoge is a valuable source of information about Greek mathematics
  • parallel of altitude — almucantar.
  • parallel of latitude — parallel (def 9).
  • pedal steel (guitar) — a steel guitar mounted on legs and equipped with pedals that serve as an additional means of changing pitch
  • pedro juan caballero — a city in E central Paraguay.
  • pentobarbital sodium — a barbiturate drug used in medicine as a sedative and hypnotic. Formula: C11H17N2O3Na
  • pentose nucleic acid — a nucleic acid containing a pentose.
  • permonosulfuric acid — persulfuric acid (def 1).
  • peroxysulphuric acid — a white hygroscopic crystalline unstable oxidizing acid. Formula: H2SO5
  • perpendicular gothic — the style of Gothic architecture in England during the 14th and 15th centuries, characterized by tracery having vertical lines, a four-centred arch, and fan vaulting
  • physical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
  • physiologic jaundice — a transitory jaundice that affects some infants for the first few days after birth.
  • portuguese water dog — one of a breed of medium-sized dogs originally developed to assist Portuguese fishermen and having a profuse black or brown coat with or without white markings and webbed feet.
  • postgraduate student — a student who has obtained a degree from a university, etc, and is pursuing studies for a more advanced qualification
  • potassium dichromate — an orange-red crystalline soluble solid substance that is a good oxidizing agent and is used in making chrome pigments and as a bleaching agent. Formula: K2Cr2O7
  • pound cost averaging — a method of accumulating capital by investing a fixed sum in a particular security at regular intervals, in order to achieve an average purchase price below the arithmetic average of the market prices on the purchase dates
  • prince william sound — a sound in the Gulf of Alaska, on the S coast of Alaska: S end of Trans-Alaska oil pipeline at port of Valdez.
  • procedural agreement — regulations agreed between the parties to collective bargaining, defining the bargaining units, bargaining scope, procedures for collective bargaining, and the facilities to be provided to trade union representatives
  • production agreement — a contract concerning the production or manufacture of something
  • prohibited substance — a substance, such as a drug, etc, that is banned or forbidden by law or other authority
  • pseudo-psychological — of or relating to psychology.
  • pseudoparenchymatous — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
  • pure lambda-calculus — Lambda-calculus with no constants, only functions expressed as lambda abstractions.
  • put the hard word on — to ask or demand something from
  • quadrantal corrector — either of two soft-iron spheres attached to each side of a binnacle, intended to correct the compass deviation (quadrantal deviation) resulting from magnetism from ferrous metal in a ship.
  • qualitative identity — the relation that holds between two relata that have properties in common. This term is used to distinguish many uses of the words identical or same in ordinary language from strict identity or numerical identity
  • quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
  • queen elizabeth land — an area of British Antarctic Territory, situated south of Weddell Sea and between longitudes 20°W and 80°W, stretching from Filchner-Ronne Ice Shelf to the South Pole. Area: 437 000 sq km (169 000 sq miles)
  • queensland arrowroot — a South American and West Indian herb, Canna edulis, having large sheathing leaves, red flowers, and edible rhizomes.
  • queensland cane toad — a toad, Bufo marinus, introduced into Queensland from Hawaii to control insect pests, becoming a pest itself
  • raynaud's phenomenon — a secondary circulatory disorder, often associated with a primary vascular disease, characterized by changes of blood flow resulting in white, bluish, or red hands and feet
  • red badge of courage — a novel (1895) by Stephen Crane.
  • reductio ad absurdum — a reduction to an absurdity; the refutation of a proposition by demonstrating the inevitably absurd conclusion to which it would logically lead.
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