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15-letter words containing d, u, r, n

  • current density — the ratio of the electric current flowing at a particular point in a conductor to the cross-sectional area of the conductor taken perpendicular to the current flow at that point. It is measured in amperes per square metre
  • daguerreotyping — Present participle of daguerreotype.
  • danse du ventre — belly dance
  • dark-eyed junco — a common North American junco, Junco hyemalis, having a pink bill, gray and brown body plumage, white belly and outer tail feathers, and differing from other species of junco in having a dark brown rather than yellow iris.
  • data redundancy — (data, communications, storage)   Any technique that stores or transmits extra, derived data that can be used to detect or repair errors, either in hardware or software. Examples are parity bits and the cyclic redundancy check. If the cost of errors is high enough, e.g. in a safety-critical system, redundancy may be used in both hardware AND software with three separate computers programmed by three separate teams ("triple redundancy") and some system to check that they all produce the same answer, or some kind of majority voting system. The term is not typically used for other, less beneficial, duplication of data. 2.   (communications)   The proportion of a message's gross information content that can be eliminated without losing essential information. Technically, redundancy is one minus the ratio of the actual uncertainty to the maximum uncertainty. This is the fraction of the structure of the message which is determined not by the choice of the sender, but rather by the accepted statistical rules governing the choice of the symbols in question.
  • daughter-in-law — Someone's daughter-in-law is the wife of their son.
  • de bruijn graph — (mathematics)   A class of graphs with elegant properties. De Bruijn graphs are especially easy to use for routing, with shifting of source and destination addresses.
  • dead and buried — If you say that something such as an idea or situation is dead and buried, you are emphasizing that you think that it is completely finished or past, and cannot happen or exist again in the future.
  • debenture stock — stock that pays a fixed rate of interest at fixed intervals
  • debt counsellor — a person who advises people who are in debt on how to deal with their debt and get out of it
  • decarburization — The act, process, or result of decarburizing.
  • deculturalizing — to expose or subject to the influence of culture.
  • defunct process — zombie process
  • deindustrialise — Alternative spelling of deindustrialize.
  • deindustrialize — to reduce the importance of manufacturing industry in the economy of (a nation or area)
  • delayed neutron — a neutron produced in a nuclear reactor by the breakdown of a fission product and released a short time after neutrons produced in the primary process
  • deleteriousness — The quality of being deleterious.
  • delta reduction — (theory)   In lambda-calculus extended with constants, delta reduction replaces a function applied to the required number of arguments (a redex) by a result. E.g. plus 2 3 --> 5. In contrast with beta reduction (the only kind of reduction in the pure lambda-calculus) the result is not formed simply by textual substitution of arguments into the body of a function. Instead, a delta redex is matched against the left hand side of all delta rules and is replaced by the right hand side of the (first) matching rule. There is notionally one delta rule for each possible combination of function and arguments. Where this implies an infinite number of rules, the result is usually defined by reference to some external system such as mathematical addition or the hardware operations of some computer. For other types, all rules can be given explicitly, for example Boolean negation: not True = False not False = True (1997-02-20)
  • density current — a turbid, dense current of sediments in suspension moving along the slope and bottom of a lake or ocean.
  • deoch-an-doruis — a parting drink or stirrup cup
  • deputy minister — (in Canada) the senior civil servant in a government department
  • derequisitioned — Simple past tense and past participle of derequisition.
  • dessertspoonful — You can refer to an amount of food resting on a dessertspoon as a dessertspoonful of food.
  • destruct button — a button that, when pressed, causes a missile or rocket to destruct
  • destructiveness — tending to destroy; causing destruction or much damage (often followed by of or to): a very destructive windstorm.
  • desulfurization — The process of removing sulfur from a substance, such as flue gas or crude.
  • deuteranomalous — having deuteranomaly; relating to deuteranomaly
  • deuteronomistic — one of the writers of material used in the early books of the Old Testament.
  • dexfenfluramine — an adrenergic drug, a form of fenfluramine, formerly used in treating obesity but withdrawn from the market in 1997 because of its potential to cause valvular heart disease.
  • dionysius thrax — c100 b.c, Greek grammarian.
  • direct coupling — conductive coupling between electronic circuits, as opposed to inductive or capacitative coupling
  • direct question — interrogative sentence
  • disarticulating — Present participle of disarticulate.
  • disarticulation — The act of disarticulating.
  • discount broker — an agent who discounts commercial paper.
  • discount market — a trading market in which notes, bills, and other negotiable instruments are discounted.
  • disgracefulness — The state or quality of being disgraceful.
  • disquisitionary — of or relating to a disquisition
  • distance runner — a participant in distance races.
  • distressfulness — The state or quality of being distressful; the state of having or causing anxiety or strain.
  • distrustfulness — The state or quality of being distrustful or doubtful; distrust; mistrust.
  • divide and rule — You use divide and rule to refer to a policy which is intended to keep someone in a position of power by causing disagreements between people who might otherwise unite against them.
  • do one's number — a numeral or group of numerals.
  • do your head in — If something or someone does your head in, they make you angry or frustrated.
  • document reader — a device that reads and inputs into a computer marks and characters on a special form, as by optical or magnetic character recognition
  • domain maturity — (systems analysis)   The level of stability and depth of understanding that has been achieved in an area for which applications are developed.
  • domain squatter — (web)   An unscrupulous person who registers a domain name in the hope of selling it to the rightful, expected owner at a profit. E.g. http://foldoc.com/.
  • domitae naturae — (of animals) tamed or domesticated (distinguished from ferae naturae).
  • double concerto — a concerto for two solo instruments
  • double entendre — a double meaning.
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