19-letter words containing c, o, m, p, r
- post office problem — (algorithm) Given a set of points (in N dimensions), find another point which minimises the sum of the distances from that point to each of the others.
- potassium carbonate — a white, granular, water-soluble powder, K 2 CO 3 , used chiefly in the manufacture of soap, glass, and potassium salts.
- preproduction model — a prototype of a product before the product goes into full-scale production
- presumption of fact — a presumption based on experience or knowledge of the relationship between a known fact and a fact inferred from it.
- primary containment — Primary containment is the main means of preventing leaks and spills using equipment in direct content with the oil or gas being stored or transported.
- prismatic telescope — a telescope having an eyepiece at the side or top equipped with a reflecting prism, used for taking sights at steep angles.
- process performance — Process performance is a measure of how efficient or effective a process is.
- proctosigmoidoscope — sigmoidoscope.
- proctosigmoidoscopy — sigmoidoscopy.
- production platform — offshore power station
- programmer's switch — (hardware) A button on the front of some Apple Macintosh computers which, when pressed, causes a command line prompt to appear. This gives access to the built-in mini-debugger, which has commands to dump memory, return to the application that was broken out, and others. A more sophisticated debugger must be installed in order to inspect breakpoints, etc.
- projective geometry — the geometric study of projective properties.
- promotion prospects — the chances or prospects an employee has for promotion or for gaining a better position, often in the same company
- promotions director — someone in charge of encouraging the sale of (a product) by advertising or securing financial support
- psychrometric chart — a chart for calculating values of relative humidity, absolute humidity, and dew point from psychrometer readings.
- quartermaster corps — the branch of the U.S. Army responsible for supplying food, clothing, fuel, and equipment and for the operation of commissaries, laundries, etc.
- radiochromatography — chromatography in which radiolabeled substances on the chromatogram are determined quantitatively or qualitatively by measuring their radioactivity.
- radiopharmaceutical — any of a number of radioactive drugs used diagnostically or therapeutically.
- reactor temperature — The reactor temperature is the temperature at various stages in a reactor in an FCC unit.
- reception committee — an organized gathering of people to welcome a visitor
- recording equipment — devices used for sound reproduction
- relative complement — the set of elements contained in a given set that are not elements of another specified set.
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
- sharp-focus realism — photorealism.
- simple carbohydrate — a carbohydrate, as glucose, that consists of a single monosaccharide unit.
- simple closed curve — a curve that is closed and that has no loops or points missing; a curve for which there exists a homeomorphism mapping it to a circle.
- smoking compartment — a compartment of a train where smoking is permitted
- sodium hypochlorite — a pale-green, crystalline compound, NaOCl, unstable in air, soluble in cold water, decomposes in hot water: used as a bleaching agent for paper and textiles, in water purification, in household use, and as a fungicide.
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- stationers' company — a company or guild of the city of London composed of booksellers, printers, dealers in writing materials, etc., incorporated in 1557.
- superiority complex — an exaggerated feeling of one's own superiority.
- symptomatic anthrax — blackleg.
- telescopic umbrella — an umbrella having parts that telescope
- the eroica symphony — Symphony No. 3 in E flat major by Ludwig van Beethoven
- tie-clip microphone — a small microphone that is clipped to a person's tie
- trumpet honeysuckle — an American honeysuckle, Lonicera sempervirens, having spikes of large, tubular flowers, deep-red outside and yellow within.
- tuamotu archipelago — a group of about 80 coral islands in the S Pacific, in French Polynesia. Pop: 15 973 (2002; including the Gambier Islands). Area: 860 sq km (332 sq miles)
- velocity microphone — a microphone in which the output varies according to the instantaneous velocity of the air molecules in the incident sound waves.