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19-letter words containing d, e, c, i, u, o

  • directional coupler — (communications)   (tap) A passive device used in cable systems to divide and combine radio frequency signals. A directional coupler has at least three ports: line in, line out, and the tap. The signal passes between line in and line out ports with loss referred to as the insertion loss. A small portion of the signal power applied to the line in port passes to the tap port. A signal applied to the tap port is passed to the line in port less the tap attenuation value. The tap signals are isolated from the line out port to prevent reflections. A signal applied to the line out port passes to the line in port and is isolated from the tap port. Some devices provide more than one tap output line (multi-taps).
  • director of studies — a member of staff at an educational institution who has responsibility for overseeing the curriculum
  • directory enquiries — Directory enquiries is a service which you can telephone to find out someone's telephone number.
  • discovery procedure — any rigorous method by the application of which a grammar might be constructed from a corpus of utterances in a language; an algorithm leading from data to a formulation.
  • discretionary trust — a trust in which the beneficiaries' shares are not fixed in the trust deed but are left to the discretion of other persons, often the trustees
  • discriminated union — (theory)   The discriminated union of two sets A and B is A + B = {(inA, a) | a in A} U {(inB, b)| b in B} where inA and inB are arbitrary tags which specify which summand an element originates from. A type (especially an algebraic data type) might be described as a discriminated union if it is a sum type whose objects consist of a tag to say which part of the union they belong to and a value of the corresponding type.
  • discussion document — a document that puts forward some ideas or opinions that might form the basis of a discussion of a particular topic
  • disjunctive pronoun — an inflection of pronouns in some languages that is used alone or after a preposition, such as moi in French
  • domain architecture — (systems analysis)   A generic, organisational structure or design for software systems in a domain. The domain architecture contains the designs that are intended to satisfy requirements specified in the domain model. A domain architecture can be adapted to create designs for software systems within a domain and also provides a framework for configuring assets within individual software systems.
  • double counterpoint — invertible counterpoint using two transposable voices.
  • double-helical gear — herringbone gear.
  • draw the curtain on — to end
  • early purple orchid — a Eurasian orchid, Orchis mascula, with purplish-crimson flowers and stems marked with blackish-purple spots
  • education committee — a committee that discusses the education of children in a particular local authority
  • educational adviser — a person who provides advice and training to teachers about teaching methods and educational policies
  • electroconductivity — Electrical conductivity.
  • endowment insurance — Endowment insurance is a type of life insurance that pays a particular sum directly to the policyholder at a stated date, or to a beneficiary if the policyholder dies before this date.
  • euclidean algorithm — Euclid's Algorithm
  • factitious disorder — any of various syndromes, as Münchausen syndrome, characterized by physical or psychological symptoms intentionally produced by a person and under voluntary control.
  • foundation subjects — the subjects studied as part of the National Curriculum, including the compulsory core subjects
  • friend of the court — amicus curiae.
  • functional database — (database, language)   A database which uses a functional language as its query language. Databases would seem to be an inappropriate application for functional languages since, a purely functional language would have to return a new copy of the entire database every time (part of) it was updated. To be practically scalable, the update mechanism must clearly be destructive rather than functional; however it is quite feasible for the query language to be purely functional so long as the database is considered as an argument. One approach to the update problem would use a monad to encapsulate database access and ensure it was single threaded. Alternative approaches have been suggested by Trinder, who suggests non-destructive updating with shared data structures, and Sutton who uses a variant of a Phil Wadler's linear type system. There are two main classes of functional database languages. The first is based upon Backus' FP language, of which FQL is probably the best known example. Adaplan is a more recent language which falls into this category. More recently, people have been working on languages which are syntactically very similar to modern functional programming languages, but which also provide all of the features of a database language, e.g. bulk data structures which can be incrementally updated, type systems which can be incrementally updated, and all data persisting in a database. Examples are PFL [Poulovassilis&Small, VLDB-91], and Machiavelli [Ohori et al, ACM SIGMOD Conference, 1998].
  • functional medicine — individualized medical care that recognizes the interactions between genetic and environmental factors and between the body's interconnected systems.
  • go round in circles — to engage in energetic but fruitless activity
  • grand duke nicholas — of Cusa [kyoo-zuh] /ˈkyu zə/ (Show IPA), 1401–1464, German cardinal, mathematician, and philosopher. German Nikolaus von Cusa.
  • grievance procedure — the established series of steps to be taken in dealing with a grievance raised with an employer by an employee
  • hatfield-mccoy feud — a blood feud between two mountain clans on the West Virginia–Kentucky border, the Hatfields of West Virginia and the McCoys of Kentucky, that grew out of their being on opposite sides during the Civil War and was especially violent during 1880–90.
  • household insurance — an arrangement in which you pay money to a company, and they pay money to you if your household goods are stolen or damaged
  • hudson river school — a group of American painters of the mid-19th century whose works are characterized by a highly romantic treatment of landscape, especially along the Hudson River.
  • human rights record — the facts that are known about the tendency of a country, regime, etc, to observe and protect human rights
  • induction hardening — a process in which the outer surface of a metal component is rapidly heated by means of induced eddy currents. After rapid cooling the resulting phase transformations produce a hard wear-resistant skin
  • input/output device — a device that passes data into and out of a computer
  • introduction agency — a company whose business is to match romantic partners for a fee
  • investment compound — investment (def 11).
  • judicial conference — a conference of judges held to discuss improvements in methods or judicial procedure through court rules or otherwise.
  • judicial separation — a decree of legal separation of spouses that does not dissolve the marriage bond.
  • lucia di lammermoor — an opera (1835) by Gaetano Donizetti, based on Sir Walter Scott's novel The Bride of Lammermoor.
  • malicious falsehood — a lie told by someone who knows the lie is false or knows it will do harm to the person it is concerning
  • means of production — resources: equipment, workers
  • mordvinian republic — a constituent republic of W central Russia, in the middle Volga basin. Capital: Saransk. Pop: 888 700 (2002). Area: 26 200 sq km (10 110 sq miles)
  • mouse-ear chickweed — any of various similar and related plants of the genus Cerastium
  • mucopolysaccharides — Plural form of mucopolysaccharide.
  • mud object oriented — (games)   (MOO) One of the many MUD spin-offs (e.g. MUSH, MUSE, and MUX) created to diversify the realm of interactive text-based gaming. A MOO is similar to a MUSH in that the users themselves can create objects, rooms, and code to add to the environment. The most frequently used server software for running a MOO is LambdaMOO but alternatives include WinMOO and MacGoesMOO.
  • neighbourhood watch — a scheme under which members of a community agree together to take responsibility for keeping an eye on each other's property, as a way of preventing crime
  • neuropsychodynamics — The theoretical synthesis of neuroscience and psychodynamics.
  • olive-backed thrush — Swainson's thrush.
  • optical 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)
  • orthopaedic surgeon — a surgeon specializing in the branch of surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
  • orthopaedic surgery — surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
  • oxidation-reduction — a chemical reaction between two substances in which one substance is oxidized and the other reduced.
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