17-letter words containing c, y, p
- pocket dictionary — a small portable dictionary
- point reyes lilac — a prostrate shrub, Ceanothus gloriosus, of southern California, having leathery, roundish leaves and purplish or deep-blue flowers.
- political economy — a social science dealing with political policies and economic processes, their interrelations, and their influence on social institutions.
- political liberty — the right to express oneself freely and effectually regarding the conduct, makeup, and principles of the government under which one lives.
- polyacrylonitrile — a polymer of acrylonitrile used in the manufacture of Orlon and other synthetic textiles.
- polyadenylic acid — a homopolymer of adenylic acid enzymatically added to messenger RNA in eukaryotic cells to inhibit the hydrolytic breakdown of messenger RNA.
- polymorphonuclear — (of a leukocyte) having a lobulate nucleus.
- polystyrene chips — small pieces of polystyrene used for insulating or packing
- polyvinyl acetate — a colorless, odorless, nontoxic, transparent, thermoplastic, water-insoluble resin used as an adhesive in certain paints and as an intermediate in the synthesis of polyvinyl acetal and polyvinyl alcohol.
- polyvinyl alcohol — a colorless, water-soluble, thermoplastic resin, derived by the hydrolysis of polyvinyl acetate: used chiefly as an adhesive and as a sizing agent in the manufacture of textiles, paper, and plastics.
- potassium cyanide — a white, granular, water-soluble, poisonous powder, KCN, having a faint almondlike odor, used chiefly in metallurgy and photography.
- predatory pricing — If a company practises predatory pricing, it charges a much lower price for its products or services than its competitors in order to force them out of the market.
- presentation copy — a copy of a book given by the publisher or author
- primary education — junior, elementary schooling
- primary processes — the generally unorganized mental activity characteristic of the unconscious and occurring in dreams, fantasies, and related processes.
- primary structure — Biochemistry. the basic sequence of amino acids in a polypeptide or protein.
- 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 secretary — a person who attends to the individual or confidential correspondence, files, etc., of a business executive, official, or the like.
- probability curve — a curve that describes the distribution of probability over the values of a random variable.
- product liability — the responsibility of a manufacturer for injury or loss caused by its product.
- 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.
- proficiency badge — an insignia or device granted by the Girl Scouts and worn especially on a uniform to indicate special achievement.
- 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.
- psychic energizer — Pharmacology. antidepressant (def 2).
- psychodiagnostics — the study and evaluation of character or personality in terms of behavioral and anatomical traits, as gesture, posture and physiognomy.
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- psychographically — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- psycholinguistics — the study of the relationship between language and the cognitive or behavioral characteristics of those who use it.
- 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
- publicity officer — a person who is employed to get publicity for an organization, or to provide information about it
- publicity-seeking — eager to attract publicity
- purple chokeberry — See under chokeberry (def 1).
- 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.
- pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
- quality paperback — a softbound book that is usually larger and more expensive than a mass market paperback and is sold primarily in bookstores as a trade book.
- reality principle — the motivating force or mechanism by which the child, who has previously sought immediate gratification of all wishes, realizes that gratification must sometimes be deferred or forgone.
- recovery position — a position in which an unconscious person can be lain on the floor, which minimises them from further risk
- refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
- repertory catalog — a catalog containing bibliographic records that indicate locations of materials in more than one library or in several units of one library.
- repertory company — repertory (def 2).
- repertory society — a group that supports amateur performances of plays by its members
- 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.
- 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
- 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.