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19-letter words containing c, o, p, i, l, t

  • phthalocyanine blue — a pigment used in painting, derived from copper phthalocyanine and characterized chiefly by its brilliant, dark-blue color and by permanence.
  • pileated woodpecker — a large, black-and-white American woodpecker, Dryocopus pileatus, having a prominent red crest.
  • plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
  • point of inflection — inflection point.
  • police headquarters — building where police are stationed
  • police intervention — the physical involvement of police officers in an incident, esp where officers use force to control public disorder, such as a riot
  • political geography — the branch of human geography that deals with the relationship between political processes and spatial structures (regions, territories, etc)
  • political scientist — A political scientist is someone who studies, writes, or lectures about political science.
  • political-scientist — a social science dealing with political institutions and with the principles and conduct of government.
  • politically correct — marked by or adhering to a typically progressive orthodoxy on issues involving especially ethnicity, gender, sexual orientation, or ecology: The actor’s comment about unattractive women was not politically correct. The CEO feels that people who care about being politically correct are overly sensitive. Abbreviations: PC, P.C.
  • polyclonal antibody — a mixture of antibodies of different specificities, as in the serum of a person immunized to various antigens.
  • polyphonic ringtone — (in mobile phones) a ringtone in which more than one musical note is played at the same time
  • population genetics — the branch of genetics concerned with the hereditary makeup of populations.
  • port jackson willow — an Australian acacia tree, Acacia cyanophylla, introduced in the 19th century into South Africa, where it is now regarded as a pest
  • post office problem — (algorithm)   Given a set of points (in N dimensions), find another point which minimises the sum of the distances from that point to each of the others.
  • post-and-rail fence — a fence constructed of upright wooden posts with horizontal timber slotted through it
  • posttranscriptional — Genetics, Biochemistry. occurring after the formation of RNA from DNA but before the RNA strand leaves the nucleus.
  • preproduction model — a prototype of a product before the product goes into full-scale production
  • preproduction trial — a trial to test a prototype of a product before the product goes into full-scale production
  • priority scheduling — (operating system)   Processes scheduling in which the scheduler selects tasks to run based on their priority as opposed to, say, a simple round-robin. Priorities may be static or dynamic. Static priorities are assigned at the time of creation, while dynamic priorities are based on the processes' behaviour while in the system. For example, the scheduler may favour I/O-intensive tasks so that expensive requests can be issued as early as possible. A danger of priority scheduling is starvation, in which processes with lower priorities are not given the opportunity to run. In order to avoid starvation, in preemptive scheduling, the priority of a process is gradually reduced while it is running. Eventually, the priority of the running process will no longer be the highest, and the next process will start running. This method is called aging.
  • prismatic telescope — a telescope having an eyepiece at the side or top equipped with a reflecting prism, used for taking sights at steep angles.
  • production platform — offshore power station
  • propositional logic — (logic)   (or "propositional calculus") A system of symbolic logic using symbols to stand for whole propositions and logical connectives. Propositional logic only considers whether a proposition is true or false. In contrast to predicate logic, it does not consider the internal structure of propositions.
  • pseudo-intellectual — a person exhibiting intellectual pretensions that have no basis in sound scholarship.
  • psychotechnological — of or relating to psychotechnology
  • radiopharmaceutical — any of a number of radioactive drugs used diagnostically or therapeutically.
  • reciprocity failure — a failure of the two exposure variables, light intensity and exposure time, to behave in a reciprocal fashion at very high or very low values
  • reconceptualization — to form into a concept; make a concept of.
  • reduction potential — (in a galvanic cell) the potential of the electrode at which reduction occurs.
  • relative complement — the set of elements contained in a given set that are not elements of another specified set.
  • relocation expenses — Relocation expenses are a sum of money that a company pays to someone who moves to a new area in order to work for the company. The money is to help them pay for moving house.
  • republic of letters — the collective body of literary people.
  • republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
  • resorcinolphthalein — fluorescein.
  • sexual reproduction — reproduction involving the union of gametes.
  • shopping facilities — shops or other retail services
  • simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
  • single-cell protein — a protein produced or derived from the culture of a single-celled organism, used as a food supplement or substitute. Abbreviation: SCP.
  • social anthropology — study of human culture
  • sodium hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
  • solid-state physics — the branch of physics that deals with the macroscopic physical properties of matter, especially solids; the study of the electromagnetic, structural, and thermodynamic properties of solids.
  • specular reflection — Specular reflection is reflection of heat or light in which the angles of different parts of the surface are important.
  • speculative fiction — a broad literary genre encompassing any fiction with supernatural, fantastical, or futuristic elements
  • spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
  • split-second timing — timing that depends on minute precision
  • superiority complex — an exaggerated feeling of one's own superiority.
  • teacher-pupil ratio — the number of teachers relative to the number of pupils in a particular school
  • teaching fellowship — a fellowship providing a student in a graduate school with free tuition and expenses and stipulating that the student assume some teaching duties in return.
  • telephone directory — a book, directory, or the like, usually containing an alphabetical list of telephone subscribers in a city or other area, together with their addresses and telephone numbers.
  • telescopic umbrella — an umbrella having parts that telescope
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