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18-letter words containing g, o, s

  • dangerous offender — an offender who is deemed by a court of law to be likely to engage in further violent conduct, and who thus becomes eligible for an indefinite prison sentence
  • degrees of freedom — the number of independent variables entering into a statistical measure or frequency distribution
  • demorgan's theorem — (logic)   A logical theorem which states that the complement of a conjunction is the disjunction of the complements or vice versa. In symbols: not (x and y) = (not x) or (not y) not (x or y) = (not x) and (not y) E.g. if it is not the case that I am tall and thin then I am either short or fat (or both). The theorem can be extended to combinations of more than two terms in the obvious way. The same laws also apply to sets, replacing logical complement with set complement, conjunction ("and") with set intersection, and disjunction ("or") with set union. A (C) programmer might use this to re-write if (!foo && !bar) ... as if (!(foo || bar)) ... thus saving one operator application (though an optimising compiler should do the same, leaving the programmer free to use whichever form seemed clearest).
  • dendrochronologist — One who carries out dendrochronology.
  • derestriction sign — a circular white sign with a black diagonal band signifying the lifting of any other speed restriction
  • desktop publishing — Desktop publishing is the production of printed materials such as newspapers and magazines using a desktop computer and a laser printer, rather than using conventional printing methods. The abbreviation DTP is also used.
  • diagnostic testing — Diagnostic testing is the testing of a vehicle, or one of its systems or parts, in order to identify why it is not working properly.
  • dig in one's heels — to refuse to give up or modify one's opinion, policy, attitude, etc., esp. when faced with opposition
  • dig one's heels in — to refuse stubbornly to move or be persuaded
  • digital switchover — the process of changing the method of transmitting television from analogue to digital format
  • digital television — a television broadcasting technology in which signals are transmitted as a sequence of binary numbers.
  • digital video disc — Digital Versatile Disc
  • diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
  • directional signal — any of four signal lights on the front left, front right, rear left, and rear right of an automotive vehicle that, when actuated by the driver, flash in pairs on the side toward which a turn is to be made.
  • dissenting opinion — (in appellate courts) an opinion filed by a judge who disagrees with the majority decision of a case.
  • division algorithm — the theorem that an integer can be written as the sum of the product of two integers, one a given positive integer, added to a positive integer smaller than the given positive integer. Compare Euclidean algorithm.
  • do one's own thing — a material object without life or consciousness; an inanimate object.
  • double-edged sword — sth that can be both positive and negative
  • double-page spread — two pages treated as one in a publication, with images or text extending across the binding
  • driving instructor — sb who teaches people to drive
  • duty-free shopping — the making of duty-free purchases
  • dwarf storage unit — (humour)   (DSU) An IBM term for a cupboard.
  • dynamic psychology — any system of psychology that emphasizes the interaction between different motives, emotions, and drives
  • eastern algonquian — a subgroup of the Algonquian language family, comprising the languages spoken aboriginally from Nova Scotia to northeastern North Carolina.
  • easy come, easy go — You use easy come, easy go to indicate that the person you are talking about does not care much about money and possessions.
  • egg and spoon race — a novelty race in which contestants each carry an egg in a spoon to the finish line, the winner being the first to finish without dropping or breaking the egg.
  • egg-and-spoon race — a race in which runners carry an egg balanced in a spoon
  • eggshell porcelain — a type of very thin translucent porcelain originally made in China
  • eigendecomposition — (linear algebra) The factorization of a matrix into a canonical form, whereby the matrix is represented in terms of its eigenvalues and eigenvectors.
  • electoral register — An electoral register is an official list of all the people who have the right to vote in an election.
  • electrocardiograms — Plural form of electrocardiogram.
  • electroretinograms — Plural form of electroretinogram.
  • energy consumption — amount of energy used
  • engelbart, douglas — Douglas Engelbart
  • equinoctial spring — either of the two highest spring tides that occur at the equinoxes
  • ethnomethodologist — A person engaged in ethnomethodology.
  • ethnomusicological — Relating to or pertaining to ethnomusicology.
  • ethnopsychological — Relating to ethnopsychology.
  • euclid's algorithm — (algorithm)   (Or "Euclidean Algorithm") An algorithm for finding the greatest common divisor (GCD) of two numbers. It relies on the identity gcd(a, b) = gcd(a-b, b) To find the GCD of two numbers by this algorithm, repeatedly replace the larger by subtracting the smaller from it until the two numbers are equal. E.g. 132, 168 -> 132, 36 -> 96, 36 -> 60, 36 -> 24, 36 -> 24, 12 -> 12, 12 so the GCD of 132 and 168 is 12. This algorithm requires only subtraction and comparison operations but can take a number of steps proportional to the difference between the initial numbers (e.g. gcd(1, 1001) will take 1000 steps).
  • evolution strategy — (ES) A kind of evolutionary algorithm where individuals (potential solutions) are encoded by a set of real-valued "object variables" (the individual's "genome"). For each object variable an individual also has a "strategy variable" which determines the degree of mutation to be applied to the corresponding object variable. The strategy variables also mutate, allowing the rate of mutation of the object variables to vary. An ES is characterised by the population size, the number of offspring produced in each generation and whether the new population is selected from parents and offspring or only from the offspring. ES were invented in 1963 by Ingo Rechenberg, Hans-Paul Schwefel at the Technical University of Berlin (TUB) while searching for the optimal shapes of bodies in a flow.
  • exercise programme — a programme detailing a range of physical exercises and the amount of time each exercise should be performed, used especially in gymnasiums, where they are typically tailored to individuals' needs
  • fallot's tetralogy — a congenital heart disease in which there are four defects: pulmonary stenosis, enlarged right ventricle, a ventricular septal defect, and an aorta whose origin lies over the septal defect. In babies suffering this disease the defects can be corrected by surgery
  • far eastern region — former name of Khabarovsk.
  • farewell-to-spring — a slender, showy plant, Clarkia amoena, of the evening primrose family, native to western North America, having satiny, cup-shaped, lilac-crimson or reddish-pink flowers and roundish fruit.
  • fehling's solution — a blue solution of copper sulfate, Rochelle salt, and sodium hydroxide, used to test for the presence of a sugar, aldehyde, etc.
  • fibrocartilaginous — a type of cartilage having a large number of fibers.
  • fishing expedition — a legal proceeding mainly for the purpose of interrogating an adversary, or of examining his or her property and documents, in order to gain useful information.
  • fluorodeoxyglucose — (carbohydrate) A fluorine analog of glucose that is used in positron emission tomography.
  • fob shipping point — FOB shipping point is a shipping term indicating that ownership of goods passes when they are transferred to the carrier.
  • foreign investment — investment from foreign countries
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