17-letter words containing c, r, o, p, i
- 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
- primary processes — the generally unorganized mental activity characteristic of the unconscious and occurring in dreams, fantasies, and related processes.
- priority check-in — Priority check-in at a hotel is an arrangement which allows a guest to check in without waiting in a line.
- prismatic compass — a hand compass equipped with sights and prisms to permit aiming the instrument at a point and at the same time reading the compass direction of the point.
- 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
- probability curve — a curve that describes the distribution of probability over the values of a random variable.
- probation officer — an officer who investigates and reports on the conduct of offenders who are free on probation.
- procurator fiscal — In the Scottish legal system, the procurator fiscal is a public official who puts people on trial.
- product liability — the responsibility of a manufacturer for injury or loss caused by its product.
- 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
- 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
- prostatic utricle — a small pouch near the prostate gland that opens into the urethra.
- protected species — a species of animal or plant which it is forbidden by law to harm or destroy
- 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
- protective system — protectionism (def 1).
- protective tariff — a tariff levied on imports to protect the domestic economy rather than to raise revenue
- 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.
- 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.
- 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.
- psychographically — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- psychometric test — a test designed to test a person's mental state, personality and thought processes
- psychoprophylaxis — Lamaze method.
- 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.
- publicity officer — a person who is employed to get publicity for an organization, or to provide information about it
- 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.
- put into practice — If you put a belief or method into practice, you behave or act in accordance with it.
- 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.
- pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
- 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.
- refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
- repertory society — a group that supports amateur performances of plays by its members
- reproductive cell — gamete.