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19-letter words containing a, c, n, d, u

  • country and western — Country and western is the same as country music.
  • country-and-western — country music.
  • cudgel one's brains — to think hard about a problem
  • cumulative evidence — additional evidence reinforcing testimony previously given
  • cup-and-saucer vine — a woody, Mexican vine, Cobaea scandens, of the phlox family, having bell-shaped, violet-colored or greenish-purple flowers with an inflated, leaflike calyx and long, curved stamens.
  • customs declaration — a form declaring the nature and value of goods, etc, for customs purposes
  • darby and joan club — a club for elderly people
  • decontextualization — to remove (a linguistic element, an action, etc.) from a context: decontextualized works of art displayed in museums.
  • difference equation — (mathematics)   A relation between consecutive elements of a sequence. The first difference is D u(n) = u(n+1) - u(n) where u(n) is the nth element of sequence u. The second difference is u(n+2) + a u(n+1) + b u(n) = 0 can be converted to a difference equation (in this case, a second order linear difference equation): D2 u(n) + p D u(n) + q u(n) = 0 and vice versa. a, b, p, q are constants.
  • differential backup — (operating system)   A kind of backup that copies all files that have changed since the last full backup. Each differential backup will include all files in previous differential backups since the full backup so to restore a version of a file, you only need to search the full backup and the relevant differential backup. Some systems support differential backup by associating an "Archive" flag with each file and setting this flag whenever the file is modified to indicate that it should be included in the next backup. A differential backup does not change this flag, whereas an incremental backup resets it.
  • diplomatic immunity — exemption from taxation, searches, arrest, etc., enjoyed by diplomatic officials and their dependent families under international law, and usually on a reciprocal basis.
  • 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).
  • 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.
  • distance university — a degree-granting institution operating wholly or mainly by correspondence courses for students not resident on or within commuting distance of the campus.
  • distillation column — a type of still fitted with interior baffles, used for fractional distillation. Compare still2 (def 1).
  • distinctive feature — a feature of the sound system of a language that serves as the crucial distinguishing mark between two phonemes, as the distinctive feature of voicing, which distinguishes b from p in English, or nasality, which distinguishes m from b and p.
  • 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.
  • draw the curtain on — to end
  • duplicating machine — a duplicator, especially one for making identical copies of documents, letters, etc.
  • dutchman's-breeches — a plant, Dicentra cucullaria, of the fumitory family, having long clusters of pale-yellow, two-spurred flowers.
  • 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
  • endowment assurance — a form of life insurance that provides for the payment of a specified sum directly to the policyholder at a designated date or to his beneficiary should he die before this date
  • 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
  • financial ombudsman — any of five British ombudsmen: the Banking Ombudsman, set up in 1986 to investigate complaints from bank customers; the Building Society Ombudsman, set up in 1987 to investigate complaints from building society customers; the Insurance Ombudsman, set up in 1981 to investigate complaints by policyholders (since 1988 this ombudsman has also operated a Unit Trust Ombudsman scheme); the Investment Ombudsman set up in 1989 to investigate complaints by investors (the Personal Investment Authority Ombudsman is responsible for investigating complaints by personal investors); and the Pensions Ombudsman, set up in 1993 to investigate complaints regarding pension schemes
  • foundation subjects — the subjects studied as part of the National Curriculum, including the compulsory core subjects
  • 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.
  • giraldus cambrensis — literary name of Gerald de Barri. ?1146–?1223, Welsh chronicler and churchman, noted for his accounts of his travels in Ireland and Wales
  • go to rack and ruin — If you say that a place is going to rack and ruin, you are emphasizing that it is slowly becoming less attractive or less pleasant because no-one is bothering to look after it.
  • goldbach conjecture — an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.
  • 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
  • handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.
  • 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
  • human rights record — the facts that are known about the tendency of a country, regime, etc, to observe and protect human rights
  • hydroxydaunorubicin — Doxorubicin.
  • indemnity insurance — insurance covering against damage or loss
  • index-tracking fund — an investment fund that is administered so that its value changes in line with a given share index
  • individualistically — a person who shows great independence or individuality in thought or action.
  • 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
  • inductive reactance — the opposition of inductance to alternating current, equal to the product of the angular frequency of the current times the self-inductance. Symbol: X L.
  • industrial accident — an accident that happens to an employee of an industrial company during the course of their work
  • industrial capacity — the amount of resources (workforce, factories, etc) present in a place that will enable an industry or industries to produce goods
  • industrial medicine — the study and practice of the health care of employees of large organizations, including measures to prevent accidents, industrial diseases, and stress in the workforce and to monitor the health of executives
  • intrauterine device — any small, mechanical device for semipermanent insertion into the uterus as a contraceptive. Abbreviation: IUD.
  • introduction agency — a company whose business is to match romantic partners for a fee
  • james gould cozzens — James Gould, 1903–78, U.S. novelist.
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