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18-letter words containing p, r, e, c, l

  • computer telephony — Computer Telephone Integration
  • conceptual realism — the doctrine that universals have real and independent existence.
  • control experiment — an experiment designed to check or correct the results of another experiment by removing the variable or variables operating in that other experiment. The comparison obtained is an indication or measurement of the effect of the variables concerned
  • controllable-pitch — (of a marine or aircraft propeller) having blades whose pitch can be changed during navigation or flight; variable-pitch.
  • cooling-off period — A cooling-off period is an agreed period of time during which two sides with opposing views try to resolve a dispute before taking any serious action.
  • cordless telephone — a portable battery-powered telephone with a short-range radio link to a fixed base unit
  • corpuscular theory — the theory, originally proposed by Newton, and revived with the development of the quantum theory, that light consists of a stream of particles
  • cranial osteopathy — osteopathy that focuses on the cranium and the spine
  • creeping paralysis — any slow process that causes a system, government, etc, to stop working efficiently
  • crown-jewel option — an option given by a company subjected to an unwelcome takeover bid to a friendly firm, allowing this firm to buy one or more of its best businesses if the bid succeeds
  • crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
  • cumberland plateau — division of the W Appalachians, extending from S W.Va. to N Ala.
  • currency principle — the principle that banks should be permitted to issue notes only against bullion or coin.
  • cyclic pitch lever — a lever in a helicopter to change the angle of attack of individual rotor blades, causing the helicopter to move forwards, backwards, or sideways
  • cyclopean concrete — concrete containing stones larger than 6 inches (15 cm).
  • decachlorobiphenyl — (organic compound) The fully chlorinated polychlorinated biphenyl containing ten chlorine atoms.
  • decompartmentalize — to remove excessive compartmentalization from (an organization)
  • descriptive clause — a relative clause that describes or supplements but is not essential in establishing the identity of the antecedent and is usually set off by commas in English. In This year, which has been dry, is bad for crops the clause which has been dry is a nonrestrictive clause.
  • developing country — a nonindustrialized poor country that is seeking to develop its resources by industrialization
  • diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
  • diplomatic service — diplomatic corps
  • dominican republic — a republic in the West Indies, occupying the E part of the island of Hispaniola. 19,129 sq. mi. (49,545 sq. km). Capital: Santo Domingo.
  • domremy-la-pucelle — a village in Lorraine, NE France, SW of Nancy: birthplace of Joan of Arc.
  • due process of law — the administration of justice in accordance with established rules and principles
  • echoencephalograph — a device that employs reflected ultrasonic waves to examine the position of brain structures.
  • eclipsing variable — a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system.
  • eggshell porcelain — a type of very thin translucent porcelain originally made in China
  • ejaculatio praecox — premature ejaculation during sexual intercourse
  • electric potential — the work required to transfer a unit positive electric charge from an infinite distance to a given point against an electric field
  • electroacupuncture — the insertion into the body of one or more needles through which an electric current is passed
  • electrocardiograph — A machine used for electrocardiography.
  • electron telescope — an astronomical telescope with an attachment for converting the infrared radiation emitted from the surface of planets into a visible image
  • electron transport — the metabolic process in mitochondria or chloroplasts, in which electrons are transferred in stages from energy-rich compounds to molecular oxygen with liberation of energy
  • electronic receipt — An electronic receipt is one created in a computerized cash register, or by an online retailer. It will usually show the date and time, how payment is made, and other details of the sale.
  • electrophotography — Any of several methods of photocopying in which an image is created and then transferred between surfaces using static electricity.
  • electrotherapeutic — Relating to electrotherapeutics.
  • employment service — (in the United States) a government department established to collect and supply to the unemployed information about job vacancies and to employers information about availability of prospective workers
  • equinoctial spring — either of the two highest spring tides that occur at the equinoxes
  • erectile impotence — impotence caused by the inability of the penis to become sufficiently firm to penetrate the vagina
  • fermat's principle — Optics. the law that the path taken by a ray of light in going from one point to another point will be the path that requires the least time.
  • flat address space — (architecture)   The memory architecture in which any memory location can be selected from a single contiguous block by a single integer offset. Almost all popular processors have a flat address space, but the Intel x86 family has a segmented address space. A flat address space greatly simplifies programming because of the simple correspondence between addresses (pointers) and integers.
  • forced development — the processing of underexposed photographic film to increase the image density
  • forward compatible — forward compatibility
  • four-color problem — the problem, solved in 1976, of proving the theorem that any geographic map can be colored using only four colors so that no connected countries with a common boundary are colored the same color.
  • funeral procession — ceremonial cortège at a burial
  • general precession — the precession that results from both lunisolar precession and planetary precession; precession of the equinoxes.
  • geometrical optics — the branch of optics dealing with light as rays, especially in the study of the effects of lenses and mirrors on light beams and of their combination in optical instruments.
  • helicopter gunship — military attack helicopter
  • helicopter station — a place where helicopters are kept in readiness for use
  • hexachlorobiphenyl — (organic compound) Either of forty-two isomers of the polychlorinated biphenyl containing six chlorine atoms.
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