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19-letter words containing a, l, i

  • direct grant school — (in Britain, formerly) a school financed by endowment, fees, and a state grant conditional upon admittance of a percentage of nonpaying pupils nominated by the local education authority
  • 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).
  • disablement benefit — (in Britain) a noncontributory benefit payable to a person disabled through injury or disease caused by their work
  • disaster capitalism — the practice (by a government, regime, etc) of taking advantage of a major disaster to adopt liberal economic policies that the population would be less likely to accept under normal circumstances
  • disciplinary action — punishment or caution
  • 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
  • displaced homemaker — a woman recently divorced, separated, or widowed after many years as a homemaker.
  • displacement engine — any engine employing the rectilinear motion of one or more pistons in cylinders.
  • display advertising — display ads taken collectively.
  • distillation column — a type of still fitted with interior baffles, used for fractional distillation. Compare still2 (def 1).
  • distinguishableness — The state or quality of being distinguishable.
  • diversional therapy — the structured use of leisure time in recreation and play as a form of or supplement to conventional therapy
  • dobsonian telescope — a relatively inexpensive Newtonian telescope, suitable for visual but not photographic use, in which the tube assembly slips freely in the lower base.
  • dominant wavelength — the wavelength of monochromatic light that would give the same visual sensation if combined in a suitable proportion with an achromatic light
  • double-helical gear — herringbone gear.
  • draw the color line — to impose or accept the color line
  • drill-down analysis — drill down
  • drink the health of — to salute or celebrate with a toast
  • dry-bulk cargo ship — a ship that carries an unpackaged dry cargo such as coal or grain; bulk carrier
  • duplicating machine — a duplicator, especially one for making identical copies of documents, letters, etc.
  • dynamic translation — (architecture)   A virtual machine implementation approach, used to speed up execution of byte-code programs. To execute a program unit such as a method or a function, the virtual machine compiles its bytecodes into (hardware) machine code. The translated code is also placed in a cache, so that next time that unit's machine code can be executed immediately, without repeating the translation. This technique was pioneered by the commercial Smalltalk implementation currently known as VisualWorks, in the early 1980s. Currently it is also used by some implementations of the Java Virtual Machine under the name JIT (Just In Time compilation).
  • dynatron oscillator — type of oscillator
  • early purple orchid — a Eurasian orchid, Orchis mascula, with purplish-crimson flowers and stems marked with blackish-purple spots
  • 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
  • ebola virus disease — Also called Ebola fever, Ebola hemorrhagic fever, Ebola virus disease. a usually fatal disease, a type of hemorrhagic fever, caused by the Ebola virus and marked by high fever, severe gastrointestinal distress, and bleeding.
  • ecumenical movement — See under ecumenical (def 4).
  • educational adviser — a person who provides advice and training to teachers about teaching methods and educational policies
  • effective half-life — the time required for half of a quantity of radioactive material absorbed by a living tissue or organism to be removed by both elimination and decay
  • eilean donan castle — a castle near the Kyle of Lochalsh in Highland, Scotland: built in the 13th century; famous for its picturesque setting
  • 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.
  • elastomeric closure — An elastomeric closure is a component that closes a piece of packaging. An elastomeric closure is made from a material that is able to resume its original shape when it is removed from the packaging and may be in direct contact with the drug enclosed in the pack.
  • electrical engineer — An electrical engineer is a person who uses scientific knowledge to design, construct, and maintain electrical devices.
  • electrocardiographs — Plural form of electrocardiograph.
  • electrocardiography — The measurement of electrical activity in the heart and the recording of such activity as a visual trace (on paper or on an oscilloscope screen), using electrodes placed on the skin of the limbs and chest.
  • electrode potential — the potential difference developed when an electrode of an element is placed in a solution containing ions of that element
  • electrohydrodynamic — (physics) Of or pertaining to electrohydrodynamics.
  • electromagnetically — By means of electromagnetism.
  • electromechanically — In an electromechanical way.
  • electron micrograph — a photograph or image of a specimen taken using an electron microscope
  • electronegativities — Plural form of electronegativity.
  • electronic graphics — (on television) the production of graphic designs and text by electronic means
  • 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.
  • electrophoretically — By means of electrophoresis.
  • electrophotographic — Of or pertaining to electrophotography.
  • electrostatic field — an electric field associated with static electric charges
  • electrostatic units — the system of CGS electric and magnetic units that assigns the value of one to the dielectric constant of a vacuum
  • electrotherapeutics — (medicine) the use of electricity in therapeutics.
  • 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
  • emotional blackmail — a way of persuading someone to do something they do not want to do by making them feel guilty about it
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