18-letter words containing p
- cape saint vincent — a headland at the SW extremity of Portugal: scene of several important naval battles, notably in 1797, when the British defeated the French and Spanish
- capital allowances — the money spent by a company on fixed assets which can be taken off the profits of the company before tax is imposed
- capital investment — the money that is invested in something
- capital punishment — Capital punishment is punishment which involves the legal killing of a person who has committed a serious crime such as murder.
- captain james cook — Frederick Albert, 1865–1940, U.S. physician and polar explorer.
- career development — a progression through a series of jobs, each with more responsibility and a higher income than the last
- carpenterworm moth — any moth of the family Cossidae, as Prionoxystus robiniae of the U.S. and southern Canada, whose larvae bore into the trunks and branches of oaks, locusts, and other trees.
- carthaginian peace — the treaty by which Rome reduced Carthage to the status of a puppet state in 201 b.c.
- cassiopeia's chair — the five brightest stars in the constellation Cassiopeia that seem to form the shape of a W or M
- castration complex — an unconscious fear of having one's genitals removed, as a punishment for wishing to have sex with a parent
- catapult launching — the fact of launching aircraft into the air by a device installed in warships
- catastrophe theory — a mathematical theory that classifies surfaces according to their form
- caterpillar hunter — any of various carabid beetles of the genus Calosoma, of Europe and North America, which prey on the larvae of moths and butterflies
- cathode dark space — Crookes dark space.
- cellular telephone — a mobile phone
- central projection — a projection of one plane onto a second plane such that a point on the first plane and its image on the second plane lie on a straight line through a fixed point not on either plane.
- centre of pressure — the point in a body at which the resultant pressure acts when the body is immersed in a fluid
- cepheid (variable) — any of a class of pulsating, yellow, supergiant stars whose brightness varies in regular periods: from the period-luminosity relation, the distance of such a star can be determined
- chagos archipelago — group of islands in the Indian Ocean 1,180 mi (1,899 km) northeast of Mauritius, comprising the British Indian Ocean Territory: chief island, Diego Garcia
- championship point — a point that would decide the winner of a match that would decide the championship
- change one's spots — to reform one's character
- changement de pied — a jump in which the dancer's feet are reversed from the starting position.
- character graphics — ASCII art
- checkpoint charlie — a crossing between East and West Berlin during the Cold War
- chemical potential — a thermodynamic function of a substance in a system that is the partial differential of the Gibbs function of the system with respect to the number of moles of the substance
- chemical pregnancy — a pregnancy that is confirmed by a pregnancy test but not by clinical signs and terminates before clinical signs can be observed.
- child psychologist — a psychologist who specializes in treating children
- chloroacetophenone — a white, crystalline, water-insoluble, poisonous solid, C 8 H 7 ClO, used in solution as a tear gas. Abbreviation: CN.
- christine de pisan — ?1364–?1430, French poet and prose writer, born in Venice. Her works include ballads, rondeaux, lays, and a biography of Charles V of France
- christmas shopping — shopping especially for Christmas presents, but also for Christmas food and drink, and all the other things required over the Christmas period.
- christopher sholes — Christopher Latham [ley-thuh m,, -th uh m] /ˈleɪ θəm,, -ðəm/ (Show IPA), 1819–90, U.S. inventor of the typewriter.
- chromatic printing — printing from blocks or types inked with various colours
- chromolithographer — One engaged in chromolithography.
- chromolithographic — Pertaining to, or made by, chromolithography.
- chronostratigraphy — The branch of geology concerned with establishing the absolute ages of strata.
- citizenship papers — the document stating that a naturalized person has been formally declared a citizen
- claustrophobically — In a claustrophobic way.
- clean up one's act — to start to behave in a responsible manner
- cleopatra's needle — either of two Egyptian obelisks, originally set up at Heliopolis about 1500 bc: one was moved to the Thames Embankment, London, in 1878, the other to Central Park, New York, in 1880
- clew down (or up) — to lower (or raise) a sail by means of clew lines
- clinical pathology — the branch of pathology dealing with the study of disease and disease processes by means of chemical, microscopic, and serologic examinations.
- closed corporation — a corporation the stock of which is owned by a small number of persons and is rarely traded on the open market
- closed scholarship — a scholarship for which only certain people, such as those from a particular school or with a particular surname, are eligible
- cobalt violet deep — a medium to strong purple color.
- cock-a-leekie soup — a soup made from a fowl boiled with leeks
- coitus interruptus — the deliberate withdrawal of the penis from the vagina before ejaculation
- color transparency — a positive color image photographically produced on transparent film or glass and viewed by transmitted light, usually by projection.
- colour photography — the art or process of taking and developing photographs in colour
- colour temperature — the temperature of a black-body radiator at which it would emit radiation of the same chromaticity as the light under consideration
- comb-footed spider — any of numerous spiders constituting the family Theridiidae, having a comblike row of bristles on the tarsi of the hind legs.