18-letter words containing a, c, e, p, r, o
- project management — leadership of a task or programme
- projection machine — an apparatus that projects motion pictures; projector.
- propaganda machine — the group of people, publications, etc, such as of a government, country etc, responsible for the organized dissemination of information, allegations, etc, to assist or damage the cause of a government, movement, etc
- property insurance — insurance coverage for land and housing
- proprietary colony — any of certain colonies, as Maryland and Pennsylvania, that were granted to an individual or group by the British crown and that were granted full rights of self-government.
- provascular tissue — procambium.
- provision merchant — a person or company in the business of retailing food and other provisions
- pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
- psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
- psychotherapeutics — psychotherapy.
- pulmonic airstream — a current of lung air set in motion by the respiratory muscles in the production of speech.
- purchasing officer — the member of staff in an organization who is responsible for buying goods or products
- pyromucic aldehyde — furfural.
- rabbit-proof fence — a fence through which rabbits are unable to pass
- radical expression — an expression in which radical signs appear.
- raman spectroscopy — a form of spectroscopy which uses the Raman effect for studying molecules
- reactive component — the component in an alternating-current circuit that does not contribute power because it is 90° out of phase with the voltage or current.
- real-time computer — a computer that can process data or information almost immediately
- recess appointment — a person appointed to an office by the President of the United States without approval from the Senate because the Senate is in recess
- reciprocating pump — A reciprocating pump is a pump which uses a backward and forward movement to move a fluid.
- recovery operation — the process of locating and retrieving bodies, esp following an explosion or natural disaster
- registered company — a company which has officially registered its business
- reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
- repeat performance — sth done again
- report an accident — If you report an accident, you inform an insurer or the police or other authorities that an accident has occurred.
- reprocessing plant — a plant where materials are treated in order to make them reusable
- resurrection plant — a desert plant, Selaginella lepidophylla, occurring from Texas to South America, having stems that curl inward when dry.
- rhodes scholarship — one of a number of scholarships at Oxford University, established by the will of Cecil Rhodes, for selected students (Rhodes scholars) from the British Commonwealth and the United States.
- root canal therapy — endodontics.
- scholarship holder — a person who, because of academic merit, receives financial aid for their studies
- scissors-and-paste — designating or of a piece of writing that has been assembled from a variety of sources rather than by original research, often in a hasty or uninspired way
- secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
- self-preoccupation — the state of being preoccupied.
- septic sore throat — an acute, toxic, streptococcus infection of the throat producing fever, tonsillitis, and other serious effects.
- shipping container — a large, strong container, usually of metal, used to store goods in during shipment
- software backplane — (programming, tool) A CASE framework from Atherton.
- sound spectrograph — an electronic device for recording a sound spectogram.
- special prosecutor — (formerly) an independent counsel.
- spectroheliography — the process of obtaining an image of the sun in light of a particular wavelength, such as calcium or hydrogen, showing the distribution of the element over the surface and in the solar atmosphere, using a spectroheliograph
- spectropolarimeter — an instrument for determining the extent to which plane-polarized light of various wavelengths is rotated by certain solutions, consisting of a combination of a spectroscope and a polarimeter.
- spectropolariscope — an instrument combining the functions of a spectroscope with those of a polariscope.
- sperry corporation — (company) The company which merged with the Burroughs Corporation to form Unisys Corporation. Divisions included Sperry Univac, Sperry Flight Systems, and others. Some of these were sold off after the merger.
- spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
- spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
- subatomic particle — physics:
- summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
- super royal octavo — a book size, 63⁄4 by 101⁄4 inches
- superior vena cava — See under vena cava.
- supporting actress — an actress playing a supporting role
- surveyor's compass — an instrument used by surveyors for measuring azimuths.