17-letter words containing t, o, y, n

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 butyral — a white, water-insoluble, polyvinyl acetal made with butyraldehyde, used chiefly as an interlayer in the manufacture of safety glass.
postal stationery — an envelope, postal card, wrapper, or aérogramme, with the stamp printed directly on the paper.
potassium cyanide — a white, granular, water-soluble, poisonous powder, KCN, having a faint almondlike odor, used chiefly in metallurgy and photography.
power of attorney — a written document given by one person or party to another authorizing the latter to act for the former.
power supply unit — (hardware) (PSU) An electronic module that converts high voltage (110 or 240 VAC) alternating current mains electricity into smoothed direct current at the various differnt voltages required by the motherboard; internal peripheral devices, cheifly storage devices: hard disks, CD or DVD, floppy disks and external connections such as USB. A PSU needs a high enough power output rating to supply all the devices connected to it and should output as little as possible electrical noise, both on the output wires and as electromagnetic radiation. See also uninterruptable power supply.
pre-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
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 dentition — the deciduous dentition
primary education — junior, elementary schooling
primary intention — Logic. See under intention (def 5a).
primary-intention — an act or instance of determining mentally upon some action or result.
priority check-in — Priority check-in at a hotel is an arrangement which allows a guest to check in without waiting in a line.
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.
prohibition party — a U.S. political party organized in 1869, advocating the prohibition of the manufacture and sale of alcoholic beverages.
proof of identity — a document or documents used to verify someone's identity
proprietary brand — a brand of product that is privately owned and controlled
protein synthesis — the process by which amino acids are linearly arranged into proteins through the involvement of ribosomal RNA, transfer RNA, messenger RNA, and various enzymes.
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.
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
psycholinguistics — the study of the relationship between language and the cognitive or behavioral characteristics of those who use it.
pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
quantity discount — When you receive a quantity discount from a store or supplier, you pay less because you have bought a large quantity of goods. Also known as bulk buying discount.
quantity surveyor — A quantity surveyor is a person who calculates the cost and amount of materials and workers needed for a job such as building a house or a road.
radiation therapy — x-rays used as treatment
rapid prototyping — (programming) The creation of a working model of a software module to demonstrate the feasibility and suitability of the function. The prototype is expected to be replaced or refined before inclusion in the final product. Rapid prototyping contrasts with a DIRFT approach which emphasises careful design and implementation to avoid the overheads of debugging and testing prototype code. Rapid prototyping is appropriate when the requirements are unclear or likely to change (which is most of the time).
recovery position — a position in which an unconscious person can be lain on the floor, which minimises them from further risk
recrystallization — to become crystallized again.
regent honeyeater — a large brightly-coloured Australian honeyeater, Zanthomiza phrygia
reiter's syndrome — a disease of unknown cause, occurring primarily in adult males, marked by urethritis, conjunctivitis, and arthritis.
repertory company — repertory (def 2).
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.
revolutionary war — American Revolution.
rocket technology — the technology of the design, operation, maintenance, and launching of rockets
ross and cromarty — a historic county in NW Scotland.
royal institution — a British society founded in 1799 for the dissemination of scientific knowledge
rub the wrong way — to subject the surface of (a thing or person) to pressure and friction, as in cleaning, smoothing, polishing, coating, massaging, or soothing: to rub a table top with wax polish; to rub the entire back area.
safety inspection — an inspection of a place carried out to ensure that it is safe and not dangerous
safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
scientific theory — a coherent group of propositions formulated to explain a group of facts or phenomena in the natural world and repeatedly confirmed through experiment or observation: the scientific theory of evolution.
secondary battery — storage battery.
secondary boycott — a boycott by union members against their employer in order to induce the employer to bring pressure on another company involved in a labor dispute with the union.
secondary contact — communication or relationship between people characterized by impersonal and detached interest on the part of those involved.
secondary product — a product that is not the main product of an industry; a by-product
secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
sensitivity group — a group of persons participating in sensitivity training.

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