17-letter words containing c, a, r, t, o, p
- 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.
- parallel computer — parallel processor
- 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.
- peacock butterfly — a European nymphalid butterfly, Inachis io, having reddish-brown wings each marked with a purple eyespot
- pentachlorophenol — a white, crystalline, water-insoluble powder, C 6 Cl 5 OH, used chiefly in fungicides, disinfectants, and wood preservatives.
- 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.
- permanent account — A permanent account is an account which carries its balance and is kept open from year to year.
- personal computer — a compact computer that uses a microprocessor and is designed for individual use, as by a person in an office or at home or school, for such applications as word processing, data management, financial analysis, or computer games. Abbreviation: PC.
- personal distance — personal space.
- personality clash — friction between two people who have different personalities or points of view
- peterloo massacre — an incident at St Peter's Fields, Manchester, in 1819 in which a radical meeting was broken up by a cavalry charge, resulting in about 500 injuries and 11 deaths
- petrarchan sonnet — a sonnet form popularized by Petrarch, consisting of an octave with the rhyme scheme abbaabba and of a sestet with one of several rhyme schemes, as cdecde or cdcdcd.
- petrol filler cap — a small cover that goes over the hole in a vehicle into which you put petrol
- phantom pregnancy — the occurrence of signs of pregnancy, such as enlarged abdomen and absence of menstruation, when no embryo is present, due to hormonal imbalance
- 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 calculator — an electronic calculator small enough to be carried on one's person.
- pocket dictionary — a small portable dictionary
- 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.
- 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.
- port orford cedar — a tall tree, Chamaecyparis lawsoniana, of coastal Oregon, having flattened, scalelike foliage and wood highly valued as timber.
- portable computer — (computer) (Commonly, "laptop") A portable personal computer you can carry with one hand. Some laptops run so hot that it would be quite uncomforable to actually use them on your lap for long. The term "notebook" is often used to describe these, though it also implies a low weight (less than 2kg). A "luggable" is one you could carry in one hand but is so heavy you wouldn't want to. One that can by easily operated while held in one hand is a "palmtop". The computer considered by most historians to be the first true portable computer was the Osborne 1 but see the link below for other contenders.