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19-letter words containing e, t, r, n

  • dispersion relation — the relationship between the angular frequency (ω;) of a wave and the magnitude of its wave vector (k). Thus the wave's speed is ω/k
  • display advertising — display ads taken collectively.
  • disseminated cancer — a cancerous tumour that has spread from the site of original growth to a secondary site
  • 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.
  • distribution system — The distribution system is the part of an electric system after the transmission system that is dedicated to delivering electric energy to an end user.
  • diversional therapy — the structured use of leisure time in recreation and play as a form of or supplement to conventional therapy
  • doctrine of descent — the theory that animals and plants arose by descent from previously existing organisms; theory of evolution
  • 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.
  • don the baggy green — to represent Australia at Test cricket
  • double counterpoint — invertible counterpoint using two transposable voices.
  • draw the color line — to impose or accept the color line
  • draw the curtain on — to end
  • dred scott decision — Barbara Ann, 1928–2012, Canadian figure skater.
  • drink the health of — to salute or celebrate with a toast
  • dutchman's-breeches — a plant, Dicentra cucullaria, of the fumitory family, having long clusters of pale-yellow, two-spurred flowers.
  • dwight d eisenhower — Dwight David ("Ike") 1890–1969, U.S. general and statesman: Chief of Staff 1945–48; 34th president of the U.S. 1953–61.
  • earthquake engineer — a civil engineer who studies the effects of seismic activity on structures and consults on earthquake-resistant design and construction.
  • 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)
  • east-west relations — relations between the United States and its allies in the western alliance and the Soviet Union, it allies and other Communist countries, especially during the period between the end of World War II and the fall of the Soviet regime
  • eastern coral snake — any of numerous venomous elapid snakes, found chiefly in the New World tropics, as Micrurus fulvius (eastern coral snake) of the southeastern U.S., often brilliantly marked with bands of red, yellow, and black.
  • eat one's heart out — Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
  • educational adviser — a person who provides advice and training to teachers about teaching methods and educational policies
  • effervescent tablet — Effervescent tablets break down quickly when they are dropped into water or another liquid.
  • elastic deformation — In elastic deformation a material changes shape when a stress is applied to it but goes back to its original state when the stress is removed.
  • electrical engineer — An electrical engineer is a person who uses scientific knowledge to design, construct, and maintain electrical devices.
  • electro-shock baton — a baton used as a weapon to pass an electric current through part of the body
  • electroconductivity — Electrical conductivity.
  • electrode potential — the potential difference developed when an electrode of an element is placed in a solution containing ions of that element
  • electrodynamometers — Plural form of electrodynamometer.
  • electrohydrodynamic — (physics) Of or pertaining to electrohydrodynamics.
  • electroluminescence — Luminescence produced electrically, especially in a phosphor by the application of a voltage.
  • electromagnetically — By means of electromagnetism.
  • electromechanically — In an electromechanical way.
  • electron micrograph — a photograph or image of a specimen taken using an electron microscope
  • electron microscope — An electron microscope is a type of very powerful microscope that uses electrons instead of light to produce a magnified image of something.
  • electron multiplier — a device for amplifying and measuring a flux of electrons. Each electron hits an anode surface and releases secondary electrons that are accelerated to a second surface; after several such stages a measurable pulse of current is obtained
  • electronegativities — Plural form of electronegativity.
  • electronic commerce — (application, communications)   (EC) The conducting of business communication and transactions over networks and through computers. As most restrictively defined, electronic commerce is the buying and selling of goods and services, and the transfer of funds, through digital communications. However EC also includes all inter-company and intra-company functions (such as marketing, finance, manufacturing, selling, and negotiation) that enable commerce and use electronic mail, EDI, file transfer, fax, video conferencing, workflow, or interaction with a remote computer. Electronic commerce also includes buying and selling over the web and the Internet, electronic funds transfer, smart cards, digital cash (e.g. Mondex), and all other ways of doing business over digital networks.
  • electronic engineer — a person who is qualified or expert in electronic engineering
  • electronic graphics — (on television) the production of graphic designs and text by electronic means
  • electronic ignition — any system that uses an electronic circuit to supply the voltage to the sparking plugs of an internal-combustion engine
  • electronic keyboard — a typewriter keyboard used to operate an electronic device such as a computer, word processor, etc
  • electronic magazine — (messaging, publication, web)   (e-zine) A regular publication on some particular topic distributed in digital form, chiefly now via the web but also by electronic mail or floppy disk. E-zines are often distributed for free by enthusiasts.
  • electrostatic units — the system of CGS electric and magnetic units that assigns the value of one to the dielectric constant of a vacuum
  • elementary particle — any of several entities, such as electrons, neutrons, or protons, that are less complex than atoms and are regarded as the constituents of all matter
  • elevator controller — An archetypal dumb embedded-systems application, like toaster (which superseded it). During one period (1983--84) in the deliberations of ANSI X3J11 (the C standardisation committee) this was the canonical example of a really stupid, memory-limited computation environment. "You can't require "printf(3)" to be part of the default run-time library - what if you're targeting an elevator controller?" Elevator controllers became important rhetorical weapons on both sides of several holy wars.
  • emergency telephone — a public telephone intended for use in emergencies: for example, at the side of a motorway
  • employment tribunal — (in England, Scotland, and Wales) a tribunal that rules on disputes between employers and employees regarding unfair dismissal, redundancy, etc
  • empty-nest syndrome — a condition, often involving depression, loneliness, etc, experienced by parents living in a home from which the children have grown up and left
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