17-letter words containing p, r, o, c, n
- prescription drug — medication available only on doctor's instruction
- presentation copy — a copy of a book given by the publisher or author
- presiding officer — the person who presides over the Scottish Parliament or Welsh Assembly
- press association — an organization formed for the purpose of gathering news for transmittal to its members. Compare news agency.
- primary education — junior, elementary schooling
- priority check-in — Priority check-in at a hotel is an arrangement which allows a guest to check in without waiting in a line.
- private education — education provided by a private individual or organization, rather than by the state or a public body
- pro forma invoice — an invoice issued before an order is placed or before the goods are delivered giving all the details and the cost of the goods
- probation officer — an officer who investigates and reports on the conduct of offenders who are free on probation.
- product placement — Product placement is a form of advertising in which a company has its product placed where it can be clearly seen during a film or television programme.
- production number — a specialty number or routine, usually performed by the entire cast consisting of musicians, singers, dancers, stars, etc., of a musical comedy, vaudeville show, or the like.
- production string — A production string is the series of pipes through which the oil or gas is brought up from the reservoir.
- production system — (programming) A production system consists of a collection of productions (rules), a working memory of facts and an algorithm, known as forward chaining, for producing new facts from old. A rule becomes eligible to "fire" when its conditions match some set of elements currently in working memory. A conflict resolution strategy determines which of several eligible rules (the conflict set) fires next. A condition is a list of symbols which represent constants, which must be matched exactly; variables which bind to the thing they match and "<> symbol" which matches a field not equal to symbol. Example production systems are OPS5, CLIPS, flex.
- production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
- proficiency badge — an insignia or device granted by the Girl Scouts and worn especially on a uniform to indicate special achievement.
- profile component — attainment targets in different subjects brought together for the general assessment of a pupil
- project assurance — The process of specifying the support system: techniques, internal standards, measurements, tools, and training for a project; counselling the project team in the application of these elements and monitoring the adherence to the standards.
- promenade concert — a concert at which some of the audience stand rather than sit
- propanedioic acid — a colourless crystalline compound occurring in sugar beet. Formula: C3H4O4,CH2(COOH)2
- propelling pencil — a pencil consisting of a metal or plastic case containing a replaceable lead. As the point is worn away the lead can be extended, usually by turning part of the case
- protection factor — a figure representing the relative degree of protection from the sun's rays afforded by a particular sunscreen
- protection racket — a criminal activity in which money gangsters extort money from victims in exchange for freedom from molestation
- prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
- 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
- provincial police — (in Canada) the police force of a province, esp Ontario or Quebec
- provincialization — to make provincial in character.
- put into practice — If you put a belief or method into practice, you behave or act in accordance with it.
- 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
- redemption center — a commercial establishment at which trading stamps of a specific brand may be exchanged for merchandise.
- repertory company — repertory (def 2).
- republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- republic of yemen — Republic of, a country in S Arabia, formed in 1990 by the merger of the Yemen Arab Republic and the People's Democratic Republic of Yemen. 207,000 sq. mi. (536,130 sq. km). Capital: Aden.
- republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- 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.
- reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
- return of capital — A return of capital is a situation in which you receive back money that was previously invested.
- return on capital — A return on capital is any earnings that you receive from the capital that you have invested.
- ribbon microphone — a microphone that utilizes a metal ribbon suspended in a magnetic field.
- ribonucleoprotein — a substance composed of RNA in close association with protein; a nucleoprotein containing RNA. Abbreviation: RNP.
- rocket propulsion — propulsion of an object by thrust developed by a rocket.
- roll with a punch — to move in the same direction as a punch thrown at one so as to lessen its force
- 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
- round-trip ticket — a ticket entitling a passenger to travel to his or her destination and back again
- safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous