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20-letter words containing a, p, r

  • darkfield microscope — kind of microscope
  • decahydronaphthalene — a colorless, aromatic liquid, C 10 H 18 , insoluble in water and soluble in alcohol and ether: used as a solvent for oils, fats, etc., in cleaning fluids, lubricants, etc.
  • decompartmentalizing — Present participle of decompartmentalize.
  • demographic timebomb — a predicted shortage of school-leavers and consequently of available workers, caused by an earlier drop in the birth rate, resulting in an older workforce
  • denali national park — a national park in S central Alaska, including Denali (mountain). 3030 sq. mi. (7850 sq. km).
  • department of energy — the department of the U.S. federal government that sets forth and maintains the national energy policy, including energy conservation, environmental protection, etc. Abbreviation: DOE.
  • department of health — government ministry for health matters
  • depreciation expense — A depreciation expense is the amount deducted from gross profit to allow for a reduction in the value of something because of its age or how much it has been used.
  • descriptive notation — a method of denoting the squares on the chessboard in which each player names the files from the pieces that stand on them at the opening and numbers the ranks away from himself
  • desmopressin acetate — a vasopressin analogue, C 46 H 64 N 14 O 12 S 2 , used in the treatment of diabetes insipidus.
  • developing-out paper — a sensitized printing paper requiring development in order to bring out the image. Abbreviation: D.O.P.
  • diabetic retinopathy — a disorder of the blood vessels of the retina occurring as a complication of poorly controlled diabetes mellitus and often leading to blindness.
  • diamondback terrapin — any edible North American terrapin of the genus Malaclemys, esp M. terrapin, occurring in brackish and tidal waters and having diamond-shaped markings on the shell: family Emydidae
  • difference amplifier — A difference amplifier is a device that amplifies the difference between two inputs, rejecting any signals common to both.
  • differential pricing — a situation in which different prices are charged for the same product or service
  • digital media player — Digital Technology. a portable electronic device or a software program that plays and stores digital audio or video files in various formats.
  • diplomatic secretary — secretary (def 5).
  • diplomatic-secretary — secretary (def 5).
  • disciplinary hearing — a hearing at which the conduct of a member of an organization, profession etc is examined and a punishment may be handed down
  • dispersion hardening — the strengthening of an alloy as a result of the presence of fine particles in the lattice
  • displacement current — the rate of change, at any point in space, of electric displacement with time.
  • disproportionateness — The state or quality of being disproportionate or out of proportion.
  • disruptive discharge — the sudden, large increase in current through an insulating medium resulting from complete failure of the medium under electrostatic stress.
  • distributed practice — learning with reasonably long intervals between separate occasions of learning
  • dolly varden pattern — a fabric print consisting of bouquets of flowers.
  • double-aspect theory — a monistic theory that holds that mind and body are not distinct substances but merely different aspects of a single substance
  • drum and bugle corps — a marching band of drum players and buglers.
  • dry-bulb temperature — A dry-bulb temperature is the temperature of a dry surface in a vapor-gas environment.
  • due process (of law) — the course of legal proceedings established by the legal system of a nation or state to protect individual rights
  • dun & bradstreet — an agency furnishing subscribers with information as to the financial standing and credit rating of businesses
  • eastern roman empire — the eastern of the two empires created by the division of the Roman Empire in 395 ad
  • ecological footprint — a mark left by the shod or unshod foot, as in earth or sand.
  • ecumenical patriarch — the patriarch of Constantinople, regarded as the highest dignitary of the Greek Orthodox Church.
  • education department — the department of a local authority that is concerned with education, or the government department concerned with education
  • efficiency apartment — a small apartment consisting typically of a combined living room and bedroom area, a bathroom, and a kitchenette.
  • electrocardiographic — Of or pertaining to an electrocardiogram (ECG) or electrocardiograph.
  • electroencephalogram — A test or record of brain activity produced by electroencephalography.
  • 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
  • electrophysiological — Of or pertaining to electrophysiology.
  • electroshock therapy — a form of shock therapy in which electric current is applied to the brain
  • elephant in the room — an obvious truth deliberately ignored by all parties in a situation
  • employer's liability — an employer's legal responsibility to pay damages to an employee who has been injured or who has contracted an illness because of the work he or she does
  • enterprise javabeans — (specification, business, programming)   (EJB) A server-side component architecture for writing reusable business logic and portable enterprise applications. EJB is the basis of Sun's Java 2 Platform, Enterprise Edition (J2EE). Enterprise JavaBean components are written entirely in Java and run on any EJB compliant server. They are operating system, platform, and middleware independent, preventing vendor lock-in. EJB servers provide system-level services (the "plumbing") such as transactions, security, threading, and persistence. The EJB architecture is inherently transactional, distributed, multi-tier, scalable, secure, and wire protocol neutral - any protocol can be used: IIOP, JRMP, HTTP, DCOM etc. EJB 1.1 requires RMI for communication with components. EJB 2.0 is expected to require support for RMI/IIOP. EJB applications can serve assorted clients: browsers, Java, ActiveX, CORBA etc. EJB can be used to wrap legacy systems. EJB 1.1 was released in December 1999. EJB 2.0 is in development. Sun claims broad industry adoption. 30 vendors are shipping server products implementing EJB. Supporting vendors include IBM, Fujitsu, Sybase, Borland, Oracle, and Symantec. An alternative is Microsoft's MTS (Microsoft Transaction Server).
  • environmental impact — the impact on the environment created by an industry, service, plan, or project
  • epidural anaesthesia — numbing injection in the spine
  • 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
  • equivalent air speed — the speed at sea level that would produce the same Pitot-static tube reading as that measured at altitude
  • european social fund — one of the four Structural Funds of the European Union which aims to support employment and the economic and social well-being of EU member countries
  • explicit parallelism — A feature of a programming language for a parallel processing system which allows or forces the programmer to annotate his program to indicate which parts should be executed as independent parallel tasks. This is obviously more work for the programmer than a system with implicit parallelism (where the system decides automatically which parts to run in parallel) but may allow higher performance.
  • external respiration — exchange of oxygen and carbon dioxide across external or respiratory surfaces, as gills or lungs, in multicellular organisms
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