18-letter words containing t, e, p, i
- automatic exposure — the automatic adjustment of the lens aperture and shutter speed of a camera by a control mechanism
- avoirdupois weight — a British and American system of weights based on a pound of 16 ounces
- axile placentation — a type of placenta structure in an ovary with the ovules forming at the angles where the septa join the central placenta
- balanced computing — (jargon) Matching computer tools to job activities so that the computer system structure parallels the organisation structure and work functions. Both personal computers and employees operate in a decentralised environment with monitoring of achievement of management objectives from centralised corporate systems.
- ballistic pendulum — a device consisting of a large mass hung from a horizontal bar by two rods, used to measure the velocity of an object, as a bullet, by retaining the object upon impact, its velocity being a function of the displacement of the mass.
- band-tailed pigeon — a wild pigeon, Columba fasciata, of western North America, having a gray band on its tail.
- baritone saxophone — the second lowest instrument in the family of saxophones
- beautiful hook-tip — a similar but unrelated species, Laspeyria flexula
- beauty competition — a competition in which the participants, usually women, are judged on their attractiveness, with a prize, and often a title, awarded to the winner
- behaviour patterns — the characteristic ways in which a person or animal acts
- benchmark position — a public service job used for comparison with a similar position, such as a position in commerce, for wage settlements
- berwick-upon-tweed — a town in N England, in N Northumberland at the mouth of the Tweed: much involved in border disputes between England and Scotland between the 12th and 16th centuries; neutral territory 1551–1885. Pop: 12 870 (2001)
- beta-naphthylamine — a white to reddish, crystalline, water-soluble, extremely toxic solid, C 10 H 9 N, used chiefly in the manufacture of azo dyes.
- bichromate process — any of several methods of photography in which the light-sensitive medium is alkaline bichromate associated with a colloid such as gum, albumen, or gelatin.
- biological parents — the biological mother and father of a child
- biological therapy — biotherapy
- bitwise complement — The bitwise complement of a bit field is a bit field of the same length but with each zero changed to a one and vice versa. This is the same as the ones complement of a binary integer.
- blue-plate special — an inexpensive restaurant meal served at a fixed price on a large plate, originally blue
- bottlenose dolphin — any dolphin of the genus Tursiops, esp T. truncatus, some of which have been kept in captivity and trained to perform tricks
- bubble-jet printer — an ink-jet printer that heats the ink before printing
- byte-code compiler — (programming, tool) A compiler which outputs a program in some kind of byte-code. Compare: byte-code interpreter.
- c-reactive protein — a globulin in the blood produced by the liver in response to inflammation
- calcium propionate — a white, water-soluble powder, CaC 6 H 10 O 4 , used in bakery products to inhibit the growth of fungi.
- campaign furniture — furniture, as chests or desks, having metal hinges on the corners and handles on the sides.
- cap of maintenance — a ceremonial cap or hat worn or carried as a symbol of office, rank, etc
- cape breton island — an island off SE Canada, in NE Nova Scotia, separated from the mainland by the Strait of Canso: its easternmost point is Cape Breton. Pop: 132 298 (2006). Area: 10 280 sq km (3970 sq miles)
- 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.
- carthaginian peace — the treaty by which Rome reduced Carthage to the status of a puppet state in 201 b.c.
- castration complex — an unconscious fear of having one's genitals removed, as a punishment for wishing to have sex with a parent
- 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
- 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.
- 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
- 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
- christopher sholes — Christopher Latham [ley-thuh m,, -th uh m] /ˈleɪ θəm,, -ðəm/ (Show IPA), 1819–90, U.S. inventor of the typewriter.
- chromolithographer — One engaged in chromolithography.
- citizenship papers — the document stating that a naturalized person has been formally declared a citizen
- closed corporation — a corporation the stock of which is owned by a small number of persons and is rarely traded on the open market
- cobalt violet deep — a medium to strong purple color.
- coitus interruptus — the deliberate withdrawal of the penis from the vagina before ejaculation
- comb-footed spider — any of numerous spiders constituting the family Theridiidae, having a comblike row of bristles on the tarsi of the hind legs.
- combined operation — a military operation carried out jointly by allied forces
- come down the pike — When something comes down the pike, it happens or occurs.
- come into the open — to become evident or public