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20-letter words containing p, e, r, a, t, i

  • child support agency — the British government agency concerned with the welfare of children
  • christopher strachey — (person)   Professor of Computation at Oxford, England, born 1916, died May 1975. He invented the term "currying". See also: General Purpose Macro-generator.
  • cleansing department — the department of a local authority that collects refuse
  • co-operative society — In Britain, a co-operative society is a commercial organization with several shops in a particular district. Customers can join this organization and get a share of its profits.
  • comparative judgment — any judgment about whether there is a difference between two or more stimuli
  • comparative religion — a field of study seeking to derive general principles from a comparison and classification of the growth and influence of various religions.
  • compartmentalisation — Alternative form of compartmentalization.
  • compartmentalization — to divide into categories or compartments.
  • compensation culture — a culture in which people are very ready to go to law over even relatively minor incidents in the hope of gaining compensation
  • complaints procedure — a prescribed method of lodging a complaint to an institution
  • composite photograph — a photograph formed by superimposing two or more separate photographs
  • computability theory — (mathematics)   The area of theoretical computer science concerning what problems can be solved by any computer. A function is computable if an algorithm can be implemented which will give the correct output for any valid input. Since computer programs are countable but real numbers are not, it follows that there must exist real numbers that cannot be calculated by any program. Unfortunately, by definition, there isn't an easy way of describing any of them! In fact, there are many tasks (not just calculating real numbers) that computers cannot perform. The most well-known is the halting problem, the busy beaver problem is less famous but just as fascinating.
  • computer programming — the activity or profession of writing computer programs
  • conformal projection — a map projection in which angles formed by lines are preserved: a map made using this projection preserves the shape of any small area.
  • connector conspiracy — (business, standard)   The tendency of manufacturers (or, by extension, other designers) to come up with products that don't fit with the old stuff, thereby making you buy either all new stuff or expensive interface devices. The term probably came into prominence with the appearance of the DEC KL-10, none of whose connectors matched anything else. The KL-10 Massbus connector was actually *patented* by DEC, who reputedly refused to licence the design, thus effectively locking out competition for the lucrative Massbus peripherals market. This policy was a source of frustration for the owners of dying, obsolescent disk and tape drives. A related phenomenon is the invention of new screw heads so that only Designated Persons, possessing the magic screwdrivers, can remove covers and make repairs or install options. Older Apple Macintoshes took this one step further, requiring not only a hex wrench but a specialised case-cracking tool to open the box. With the advent of more open-systems computing this term has fallen somewhat into disuse. Compare backward combatability.
  • conservative baptist — a member of a Protestant denomination (Conservative Baptist Association of America) organized in Milwaukee, Wisconsin, in 1948.
  • contact metamorphism — localized metamorphism resulting from the heat of an igneous intrusion.
  • conversation stopper — a comment that is so shocking or boring that people stop talking
  • coordination complex — one of a number of complex compounds in which an atom or group of atoms is bound to the central atom by a shared pair of electrons supplied by the coordinated group and not by the central atom
  • counterproliferation — Action intended to prevent an increase or spread in the possession of nuclear weapons.
  • craft apprenticeship — a period of training for a skilled trade in industry, such as for a plumber or electrician
  • craniosacral therapy — a form of therapy for various disorders in which the therapist manipulates the bones of the skull
  • crime and punishment — a novel (1866) by Feodor Dostoevsky.
  • critical temperature — the temperature of a substance in its critical state. A gas can only be liquefied by pressure alone at temperatures below its critical temperature
  • 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).
  • 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
  • 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).
  • 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
  • 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.
  • 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.
  • elephant in the room — an obvious truth deliberately ignored by all parties in a situation
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