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17-letter words containing t, o, p, r, i, c

  • optical astronomy — the branch of observational astronomy using telescopes to observe or photograph celestial objects in visible light.
  • optical carrier 3 — (networking)   (OC-3) A SONET rate of 3 * 51.84 = 155.52 megabits per second, which matches STS-3.
  • optical carrier n — (networking)   (OC-n) A SONET rate of n times 51.84 megabits per second.
  • optical isomerism — stereoisomerism in which the isomers are identical in molecular weight and most chemical and physical properties but differ in their effect on the rotation of polarized light.
  • organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
  • over-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
  • over-compensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
  • pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
  • pacific tree frog — a common terrestrial frog, Hyla regilla, of western North America, having a dark stripe along each side of the head.
  • palace revolution — a challenge to or overthrow of a sovereign or other leader by members of the ruling family or group.
  • paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
  • paleoconservative — a person advocating an older, traditional type of conservatism, especially in politics.
  • parathyroidectomy — the excision of a parathyroid gland.
  • particle velocity — the velocity of a point in a medium that is undergoing wave motion.
  • particularization — to make particular.
  • pathological liar — a person who tells lies frequently, with no rational motive for doing so.
  • patriarchal cross — a Latin cross having a shorter crosspiece above the customary one.
  • per capita income — the total income of an area or country divided by the number of people in that area or country
  • per procurationem — by one acting as an agent; by proxy.
  • percussion bullet — a bullet that is exploded by percussion
  • peridot of ceylon — a honey-colored tourmaline, used as a gem: not a true peridot.
  • periodic function — a function of a real or complex variable that is periodic.
  • periodic sentence — a sentence that, by leaving the completion of its main clause to the end, produces an effect of suspense, as in Unable to join the others at the dance because of my sprained ankle, I went to a movie.
  • personal distance — personal space.
  • personality clash — friction between two people who have different personalities or points of view
  • petitio principii — a fallacy in reasoning resulting from the assumption of that which in the beginning was set forth to be proved; begging the question.
  • petrol filler cap — a small cover that goes over the hole in a vehicle into which you put petrol
  • philanthropically — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
  • photoreactivation — a process that repairs DNA damaged by ultraviolet light using an enzyme that requires visible light.
  • phototherapeutics — the branch of therapeutics that deals with the curative use of light rays.
  • pietro da cortona — Pietro da [pye-traw dah] /ˈpyɛ trɔ dɑ/ (Show IPA), (Pietro Berrettini) 1596–1669, Italian painter and architect.
  • pinpoint accuracy — extreme accuracy
  • pitching rotation — the regular, scheduled succession of starting pitchers designated by a manager: a four-man pitching rotation in September.
  • platinic chloride — chloroplatinic acid.
  • pocket dictionary — a small portable dictionary
  • point of presence — (PoP) A site where there exists a collection of telecommunications equipment, usually modems, digital leased lines and multi-protocol routers. An Internet access provider may operate several PoPs distributed throughout their area of operation to increase the chance that their subscribers will be able to reach one with a local telephone call. The alternative is for them to use virtual PoPs (virtual points of presence) via some third party.
  • point of purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
  • point reyes lilac — a prostrate shrub, Ceanothus gloriosus, of southern California, having leathery, roundish leaves and purplish or deep-blue flowers.
  • point-of-purchase — designating or in use at a retail outlet where an item can be purchased; point-of-sale: point-of-purchase displays to entice the buyer.
  • polar continental — a type of cold, dry air mass originating at high latitudes over land areas
  • polar coordinates — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
  • police department — A police department is an official organization which is responsible for making sure that people obey the law.
  • police helicopter — a helicopter used in police operations, for example in traffic control, or for observation
  • police protection — protection from danger, crime etc given by the police force to a community, city etc
  • political liberty — the right to express oneself freely and effectually regarding the conduct, makeup, and principles of the government under which one lives.
  • political refugee — a person who has fled from a homeland because of political persecution.
  • polyacrylonitrile — a polymer of acrylonitrile used in the manufacture of Orlon and other synthetic textiles.
  • polystyrene chips — small pieces of polystyrene used for insulating or packing
  • positive electron — positron.
  • post-resurrection — the act of rising from the dead.
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