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20-letter words containing tr

  • controlling interest — a quantity of shares in a business that is sufficient to ensure control over its direction
  • counterdemonstration — a demonstration that is held in reaction to another demonstration
  • cross-country skiing — the activity of skiing across open country for pleasure
  • database transaction — (database)   A set of related changes applied to a database. The term typically implies that either all of the changes should be applied or, in the event of an error, none of them, i.e. the transaction should be atomic. Atomicity is one of the ACID properties a transaction can have, another is isolation - preventing interference between processes trying to access the database cocurrently. This is usually achieved by some form of locking - where one process takes exclusive control of a database table or row for the duration of the transaction, preventing other processes from accessing the locked data. The canonical example of a transaction is transferring money between two bank accounts by subtracting it from one and adding it to the other. Some relational database management systems require the user to explicitly start a transaction and then either commit it (if all the individual steps are successful) or roll it back (if there are any errors).
  • decomposed petri net — (parallel)   (DPN) A Petri net that has been split into multiple, interconnected nets. This makes it easier to analyse or run the net. DPNs are the basis of concurrency in ConC.
  • descriptive geometry — the study of the projection of three-dimensional figures onto a plane surface
  • dinitrogen tetroxide — a colourless gaseous substance that exists in equilibrium with nitrogen dioxide. As the temperature is reduced the proportion of the tetroxide increases. Formula: N2O4
  • distress merchandise — goods sold below the prevailing price in order to raise cash quickly or to meet some other financial emergency.
  • distributed database — A collection of several different databases that looks like a single database to the user. An example is the Internet Domain Name System (DNS).
  • distributed practice — learning with reasonably long intervals between separate occasions of learning
  • distribution channel — trade: retailer
  • distributive lattice — (theory)   A lattice for which the least upper bound (lub) and greatest lower bound (glb) operators distribute over one another so that a lub (b glb c) == (a lub c) glb (a lub b) and vice versa. ("lub" and "glb" are written in LateX as \sqcup and \sqcap).
  • district court judge — a judge presiding over a lower court
  • district high school — a school in a rural area that includes primary and post-primary classes
  • district of columbia — a federal area in the E United States, on the Potomac, coextensive with the federal capital, Washington. 69 sq. mi. (179 sq. km). Abbreviation: DC (for use with zip code), D.C.
  • double-trailer truck — tandem trailer (def 1).
  • draw the short straw — to be the person (as in drawing lots) to whom an unwelcome task or fate falls
  • dun & bradstreet — an agency furnishing subscribers with information as to the financial standing and credit rating of businesses
  • ecumenical patriarch — the patriarch of Constantinople, regarded as the highest dignitary of the Greek Orthodox Church.
  • electrocardiographic — Of or pertaining to an electrocardiogram (ECG) or electrocardiograph.
  • electrode efficiency — the ratio of the amount of metal deposited in an electrolytic cell to that theoretically deposited according to Faraday's laws
  • electroencephalogram — A test or record of brain activity produced by electroencephalography.
  • electrohydrodynamics — (physics) the study of the dynamics of electrically conducting fluid.
  • electromagnetic pump — a device for pumping liquid metals by placing a pipe between the poles of an electromagnet and passing a current through the liquid metal
  • electromagnetic unit — any unit that belongs to a system of electrical cgs units in which the magnetic constant is given the value of unity and is taken as a pure number
  • electromagnetic wave — a wave of energy propagated in an electromagnetic field
  • electromotive series — a series of the metals, together with hydrogen, ranged in the order of their electrode potentials
  • electronic footprint — data that identifies a computer that has connected to a particular website
  • electronic signature — electronic proof of a person's identity
  • electrophysiological — Of or pertaining to electrophysiology.
  • electroshock therapy — a form of shock therapy in which electric current is applied to the brain
  • embryo vitrification — a method of in vitro fertilization in which the embryo is exposed to a vitreous solution and frozen before being thawed and implanted into the uterus
  • entrance examination — admission test
  • entry qualifications — the qualifications people wishing to enter an organization, university, etc, have to have
  • epitaxial transistor — a transistor made by depositing a thin pure layer of semiconductor material (epitaxial layer) onto a crystalline support by epitaxy. The layer acts as one of the electrode regions, usually the collector
  • estrela mountain dog — a sturdy well-built dog of a Portuguese breed with a long thick coat and a thick tuft of hair round the neck, often used as a guard dog
  • examining magistrate — (in some countries with inquisitorial legal systems) a judge who investigates cases and decides whether there is a case to answer in court
  • fair-trade agreement — an agreement or contract between a manufacturer and a retailer to sell a branded or trademarked product at no less than a specific price: legally prohibited after 1975.
  • financial controller — a senior executive in usually commercial organization who is in charge of financial affairs and oversees such things as the preparation of budgets and accounts
  • financial instrument — A financial instrument is a document or contract that can be traded in a market, that represents an asset to one party and a liability or equity to the other.
  • fission-track dating — the dating of samples of minerals by comparing the tracks in them by fission fragments of the uranium nuclei they contain, before and after irradiation by neutrons
  • fixed-price contract — a contract in which the price is preset and invariable, regardless of the actual costs of production.
  • forbidden transition — an electronic transition in an atom, molecule, etc, that is not permitted by electric dipole selection rules
  • gastroduodenostomies — Plural form of gastroduodenostomy.
  • gravimetric analysis — analysis by weight.
  • green light district — an area in which prostitution is officially tolerated
  • hospitality industry — the hotel and accommodation industry
  • immunohistochemistry — the application of immunologic techniques to the chemical analysis of cells and tissues.
  • imperfect contrition — sincere penitence or remorse.
  • in trim/in good trim — When people are in trim or in good trim, they are in good physical condition.
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