17-letter words containing c, o, p, r, e, s
- protected species — a species of animal or plant which it is forbidden by law to harm or destroy
- protective system — protectionism (def 1).
- protocol analyser — (communications, hardware, networking, testing, tool) Any device that captures and interprets the network traffic between two or more connected computer systems. The traffic can then be decoded so that it is possible to see what processes are occurring. By examining the flow of traffic, protocol analysers can be used to find out where problems (such as bottlenecks or the failure of a network device) are on a LAN. Advanced protocol analysers can also provide statistics on the traffic that can help to identify trends that may in future lead to further problems with the network.
- proton microscope — a powerful type of microscope that uses a beam of protons, giving high resolution and sharp contrast
- pseudo-democratic — pertaining to or of the nature of democracy or a democracy.
- pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- pseudo-moralistic — a person who teaches or inculcates morality.
- psychometric test — a test designed to test a person's mental state, personality and thought processes
- psychotherapeutic — psychotherapy.
- pterygoid process — either of two long bony plates extending downwards from each side of the sphenoid bone within the skull
- public prosecutor — an officer charged with the conduct of criminal prosecution in the interest of the public.
- purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
- purple shore crab — any of numerous crabs that live along the shoreline between the tidemarks, as Hemigrapsus nudus (purple shore crab) of the Pacific coast of North America.
- put the screws on — a metal fastener having a tapered shank with a helical thread, and topped with a slotted head, driven into wood or the like by rotating, especially by means of a screwdriver.
- pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
- pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
- recoil escapement — anchor escapement.
- recovery position — a position in which an unconscious person can be lain on the floor, which minimises them from further risk
- repertory society — a group that supports amateur performances of plays by its members
- rescue operations — operations or organized procedures to bring people or a person out of danger, attack, harm, etc
- respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
- respiratory tract — the passages through which air enters and leaves the body
- rocket propulsion — propulsion of an object by thrust developed by a rocket.
- sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
- 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.
- san pedro channel — a strait between the mainland of SW California and Santa Catalina Island. About 20 miles (32 km) wide.
- scheme repository — A collection of free Scheme programs.
- schizophrenogenic — causative of schizophrenia.
- scrophulariaceous — belonging to the Scrophulariaceae, the figwort family of plants.
- secondary process — the conscious mental activity and logical thinking controlled by the ego and influenced by environmental demands.
- 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.
- self-reproduction — the act or process of reproducing.
- semi-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- 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
- shopping precinct — pedestrian area with shops
- simple microscope — a microscope having a single lens.
- 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.
- spectrohelioscope — a spectroheliograph.
- spectromicroscope — a microscope with an attached spectroscope.
- spectrophotometer — an instrument for making photometric comparisons between parts of spectra.
- spectrophotometry — an instrument for making photometric comparisons between parts of spectra.
- 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.