17-letter words containing a, r, c, t, o, p
- rotation of crops — a system of rotating in a fixed order the kinds of crops, as grain or grass, grown in the same field, to maintain soil fertility
- safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
- saint christopher — Saint, died a.d. c250, Christian martyr.
- secondary product — a product that is not the main product of an industry; a by-product
- self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- separation center — a place at which military personnel are processed for release from active service.
- set one's cap for — a close-fitting covering for the head, usually of soft supple material and having no visor or brim.
- shooting practice — practice in shooting for soldiers or other people who shoot guns
- shortcrust pastry — a basic type of pastry that is made with half the quantity of fat to flour, and has a crisp but crumbly texture
- social enterprise — a business organization that works to benefit society as a whole
- sound spectrogram — a graphic representation, produced by a sound spectrograph, of the frequency, intensity, duration, and variation with time of the resonance of a sound or series of sounds.
- spectroheliograph — an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light.
- spectroradiometer — an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
- spectroscopically — an optical device for producing and observing a spectrum of light or radiation from any source, consisting essentially of a slit through which the radiation passes, a collimating lens, and an Amici prism.
- sports facilities — places and things for doing sports
- storm in a teacup — a violent fuss or disturbance over a trivial matter
- subscription rate — the price charged for a subscription
- supercolumniation — the placing of one order of columns above another.
- support mechanism — any formal system or method of providing support or assistance
- tactile corpuscle — an oval sense organ made of flattened cells and encapsulated nerve endings, occurring in hairless skin, as the tips of the fingers and toes, and functioning as a touch receptor.
- technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
- telescopic damper — a device with telescopic parts that reduce vibration in a motor vehicle
- temporary account — A temporary account is an account which is closed out at the end of the year.
- the electoral map — a map showing the distribution of constituencies over a country
- the peace process — negotiations (between governments, countries, ect) towards peace or the resolution of a conflict
- thematic approach — teaching organized by theme rather than by school subject
- therapeutic touch — the laying on of hands by a healer
- throat microphone — a microphone worn around the throat and actuated by vibrations of the larynx, used when background noise would obscure the sound of speech, as in an airplane cockpit.
- topological group — a set that is a group and a topological space and for which the group operation and the map of an element to its inverse are continuous functions.
- traffic policeman — a policeman controlling traffic, esp while stationed at an intersection, or enforcing traffic regulations
- trapdoor function — a function defined from data by means of a mathematical procedure in such a way that it is easy to obtain the function when the data are known, but when the procedure and data are not known it becomes very difficult to determine the original data: used in cryptography, where the data are the characters of the plain text, or message, and the trapdoor function is the cryptogram.
- trick photography — photography that creates an illusion
- tropical aquarium — an aquarium designed for the maintenance and breeding of tropical fish and kept at a suitably warm temperature.
- tropical maritime — a type of warm, wet air mass originating at low latitudes over ocean areas
- tropical medicine — the branch of medicine dealing with the study and treatment of diseases occurring in the tropics.
- turbosupercharger — (formerly) a turbocharger.
- unconformity trap — An unconformity trap is a hydrocarbon trap where the closure is made by an unconformity (= a formation of rock layers which represents a gap in the geological record).
- uncooperativeness — working or acting together willingly for a common purpose or benefit.
- undercompensation — to compensate or pay less than is fair, customary, or expected.
- unify corporation — (company) Developers of the Unify relational database. At one time, before Sybase, they were a competitor of Oracle, et al.
- upper paleolithic — See under Paleolithic.
- vacuum aspiration — menstrual extraction.
- vittore carpaccio — Vittore [veet-taw-re] /vitˈtɔ rɛ/ (Show IPA), c1450–1525, Venetian painter.
- war correspondent — a reporter or commentator assigned to send news or opinions directly from battle areas.
- warehouse receipt — a receipt for goods placed in a warehouse.
- wave-cut platform — a flat surface at the base of a cliff formed by erosion by waves
- weapons inspector — a person who inspects a country's weapons
- wearable computer — a small computer that is worn or carried on the body; a wearable computing device: a wrist-worn wearable computer with a head-mounted display.
- xerox corporation — (company) A US company, founded in 1906, specialising in document related technology and services including photocopiers, printers and office software. Xerox's acquisition of Affiliated Computer Services added business process and document management to their product range. In 2013 they have 140,000 employees. Their research centre, XEROX PARC, prototyped several revolutionary advances in computing, which the company failed to exploit, including the WIMP desktop metaphor and XEROX Network Services.