15-letter words containing p, e, n
- polynomial-time — (complexity) (P) The set or property of problems which can be solved by a known polynomial-time algorithm.
- polyphloesboean — noisy
- polyunsaturated — of or noting a class of animal or vegetable fats, especially plant oils, whose molecules consist of carbon chains with many double bonds unsaturated by hydrogen atoms and that are associated with a low cholesterol content of the blood.
- polyvinyl resin — any of the class of thermoplastic resins derived by the polymerization or copolymerization of a vinyl compound: used chiefly as adhesives, sizing agents, and coatings.
- pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
- pop one's clogs — If you say that someone has popped their clogs, you mean that they have died.
- porcupine river — a river in NW Yukon Territory, Canada and NE Alaska, flowing N and W to the Yukon River. 448 miles (721 km) long.
- port wine stain — a large birthmark of purplish color, usually on the face or neck.
- port-wine stain — a large birthmark of purplish color, usually on the face or neck.
- portative organ — capable of being carried; portable.
- portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.
- position effect — the alteration in the expression of a gene or genetic region due to its relocation within the genome as a result of inversion or translocation.
- position isomer — any of two or more isomers that differ only in the position occupied by a substituent.
- positive column — the luminous region between the Faraday dark space and the anode glow in a vacuum tube, occurring when the pressure is low.
- post-conception — the act of conceiving; the state of being conceived.
- post-depression — the act of depressing.
- post-experience — a particular instance of personally encountering or undergoing something: My encounter with the bear in the woods was a frightening experience.
- post-liberation — the act of liberating or the state of being liberated.
- post-millennial — of or relating to the period following the millennium.
- post-parturient — bearing or about to bear young; travailing.
- post-retirement — the act of retiring, withdrawing, or leaving; the state of being retired.
- post-revolution — an overthrow or repudiation and the thorough replacement of an established government or political system by the people governed.
- post-tridentine — of or relating to the city of Trent.
- postdevaluation — the period following the devaluation of a currency
- postsynchronize — to add sound, such as dubbing, to a film or video after shooting is completed
- pound one's ear — to sleep
- povidone-iodine — a complex of iodine and polyvinylpyrrolidone that has broad-spectrum antimicrobial activity: used as an antiseptic.
- powder magazine — a compartment for the storage of ammunition and explosives.
- power macintosh — Power Mac
- practical nurse — a person who has not graduated from an accredited school of nursing but whose vocation is caring for the sick.
- pragmaticalness — the quality of being pragmatical or meddlesome
- prairie chicken — either of two North American gallinaceous birds of western prairies, Tympanuchus cupido (greater prairie chicken) or T. pallidicinctus (lesser prairie chicken) having rufous, brown, black, and white plumage.
- prairie pointer — shooting star (def 2).
- prairie-dogging — (in an open-plan office) the practice of looking over the top of one's partition in order to discover the source of or reason for a commotion
- pre-acquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- pre-advertising — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- pre-arrangement — to arrange in advance or beforehand.
- pre-celebration — an act of celebrating.
- pre-concentrate — to bring or draw to a common center or point of union; converge; direct toward one point; focus: to concentrate one's attention on a problem; to concentrate the rays of the sun with a lens.
- pre-consumption — the act of consuming, as by use, decay, or destruction.
- pre-contractual — a preexisting contract that legally prevents a person from making another contract of the same nature.
- pre-delinquency — failure in or neglect of duty or obligation; dereliction; default: delinquency in payment of dues.
- pre-deprivation — the act of depriving.
- pre-elizabethan — (of English culture, history, traditions, etc.) before the reign of Queen Elizabeth I; before the second half of the 16th century.
- pre-engineering — the art or science of making practical application of the knowledge of pure sciences, as physics or chemistry, as in the construction of engines, bridges, buildings, mines, ships, and chemical plants.
- pre-negotiation — mutual discussion and arrangement of the terms of a transaction or agreement: the negotiation of a treaty.
- pre-preparation — a proceeding, measure, or provision by which one prepares for something: preparations for a journey.
- pre-reformation — the act of reforming; state of being reformed.
- pre-renaissance — the activity, spirit, or time of the great revival of art, literature, and learning in Europe beginning in the 14th century and extending to the 17th century, marking the transition from the medieval to the modern world.
- pre-romanticism — romantic spirit or tendency.