19-letter words containing d, u, r, a, n, t
- 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.
- 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
- dutchman's-breeches — a plant, Dicentra cucullaria, of the fumitory family, having long clusters of pale-yellow, two-spurred flowers.
- east dunbartonshire — a council area of central Scotland to the N of Glasgow: part of Strathclyde region from 1975 until 1996: mainly agricultural and residential. Administrative centre: Kirkintilloch. Pop: 106 970 (2003 est). Area: 172 sq km (66 sq miles)
- 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.
- environmental audit — the systematic examination of an organization's interaction with the environment, to assess the success of its conservation or antipollution programme
- euclidean algorithm — Euclid's Algorithm
- future date testing — (testing) The process of setting a computer's date to a future date to test a program's (expected or unexpected) date sensitivity. Future date testing only shows the effects of dates on the computer(s) under scrutiny, it does not take into account knock-on effects of dates on other connected systems.
- get one's dander up — to become or to cause someone to become annoyed or angry
- 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.
- go under the hammer — to be offered for sale by an auctioneer
- goldbach conjecture — an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.
- great-granddaughter — a granddaughter of one's son or daughter.
- handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.
- henry david thoreau — Henry David, 1817–62, U.S. naturalist and author.
- human rights record — the facts that are known about the tendency of a country, regime, etc, to observe and protect human rights
- hydropneumatization — utilization of air pressure in the housing of a water turbine to keep the level of water that has been used from rising to interfere with the rotor blades.
- indemnity insurance — insurance covering against damage or loss
- index expurgatorius — a list of books now included in the Index Librorum Prohibitorum, forbidden to be read except from expurgated editions.
- index-tracking fund — an investment fund that is administered so that its value changes in line with a given share index
- 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
- industrial tribunal — (in Northern Ireland and formerly elsewhere in the UK) a tribunal that rules on disputes between employers and employees regarding unfair dismissal, redundancy, etc
- industrial-strength — unusually strong, potent, or the like: heavy-duty: an industrial-strength soap.
- installed user base — user base
- interstellar medium — the matter occurring between the stars of our Galaxy, largely in the spiral arms, and consisting mainly of huge clouds of ionized, neutral, or molecular hydrogen
- 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
- juan de fuca strait — strait between Vancouver Island and NW Wash.: c. 100 mi (161 km) long
- judicial separation — a decree of legal separation of spouses that does not dissolve the marriage bond.
- keyboard instrument — any musical instrument that is played using a keyboard
- knock-down-drag-out — marked by unrelenting violence: a knock-down-drag-out fight.
- land of opportunity — Arkansas (used as a nickname).
- landrum-griffin act — an act of Congress (1959) outlawing secondary boycotts, requiring public disclosure of the financial records of unions, and guaranteeing the use of secret ballots in union voting.
- large munsterlander — a strongly built gun dog with a long dense black-and-white coat
- least recently used — (operating systems) (LRU) A rule used in a paging system which selects a page to be paged out if it has been used (read or written) less recently than any other page. The same rule may also be used in a cache to select which cache entry to flush. This rule is based on temporal locality - the observation that, in general, the page (or cache entry) which has not been accessed for longest is least likely to be accessed in the near future.
- longitudinal parity — (storage, communications) An extra byte (or word) appended to a block of data in order to reveal corruption of the data. Bit n of this byte indicates whether there was an even or odd number of "1" bits in bit position n of the bytes in the block. The parity byte is computed by XORing the data bytes in the block. Longitudinal parity allows single bit errors to be detected.
- manchester autocode — (language, history) The predecessor of Mercury Autocode.
- mary mcleod bethune — Mary McLeod [muh-kloud] /məˈklaʊd/ (Show IPA), 1875–1955, U.S. educator and civil-rights leader.
- master of foxhounds — the person responsible for the conduct of a fox hunt and to whom all members of the hunt and its staff are responsible. Abbreviation: M.F.H.
- maturation division — a stage in meiosis during which the chromosomal number of the reproductive cell is reduced to one chromosome from each original chromosome pair.
- means of production — resources: equipment, workers