13-letter words containing a, d, i, p, s
- painted snipe — either of two snipelike birds of the family Rostratulidae, of South America and the Old World tropics, the female of which is larger and more brightly colored than the male.
- palisade cell — a columnar cell of palisade parenchyma.
- pamlico sound — a sound between the North Carolina mainland and coastal islands.
- paradigm plus — A configurable object-oriented CASE tool from Proto Soft.
- paradise duck — a large duck, Casarca variegata, of New Zealand, having a brightly coloured plumage
- paradise fish — any small freshwater fish of the genus Macropodus, of southeastern Asia, often kept in aquariums.
- paradise lost — an epic poem (1667) by John Milton.
- parameterised — to describe (a phenomenon, problem, curve, surface, etc.) by the use of parameters.
- parasite drag — the component of drag caused by skin friction and the shape of the surfaces not contributing to lift.
- parasitoidism — the feeding by certain insect larvae on host tissues such that the host remains alive until larval development is complete and then usually dies.
- parenthesized — to insert (a word, phrase, etc.) as a parenthesis.
- parris island — a U.S. Marine Corps base, recruit depot, and training station in SE South Carolina, SW of Beaufort and S of Port Royal Island.
- parry islands — former name of the Queen Elizabeth Islands.
- pas de calais — a department of N France, in Nord-Pas-de-Calais region, on the Straits of Dover (the Pas de Calais): the part of France closest to the British Isles. Capital: Arras. Pop: 1 451 307 (2003 est). Area: 6752 sq km (2633 sq miles)
- pas-de-calais — French name of the Strait of Dover.
- patriot's day — the third Monday in April, a legal holiday in Me. and Mass. commemorating the battles of Lexington and Concord (April 19, 1775)
- patriots' day — the anniversary of the battles of Lexington and Concord (1775), celebrated the third Monday in April: a legal holiday in Massachusetts and Maine.
- peace studies — a field of political science which examines how to reduce conflicts
- peak district — a region of N central England, mainly in N Derbyshire at the S end of the Pennines: consists of moors in the north and a central limestone plateau; many caves. Highest point: 727 m (2088 ft)
- pease pudding — a pudding of strained split peas mixed with egg.
- pedal cyclist — a person who rides a pedal cycle, as opposed to a motorcycle
- pedestrianism — the exercise or practice of walking.
- pedestrianize — to go on foot; walk.
- periodicalist — a writer of articles for periodicals
- perissodactyl — having an uneven number of toes or digits on each foot.
- phase diagram — a graph, usually using temperature, pressure, and composition as coordinates, indicating the regions of stability of the various phases of a system.
- phillips head — a screw head having two partial slots crossed at right angles, driven by a special screwdriver (Phillips screwdriver)
- philo judaeus — c20 b.c.–a.d. c50, Alexandrian Jewish theologian and philosopher.
- phong shading — (graphics) A model of how light is reflected from surfaces used extensively in three dimensional graphics to generate visually realistic images.
- phony disease — a disease of peaches, characterized by dwarfing, dark-green leaves, premature leafing and flowering, and the production of reduced numbers of small fruit, caused by a virus, Nanus mirabilis.
- photodynamics — the science dealing with light and its effects on living organisms.
- pigheadedness — stupidly obstinate; stubborn: pigheaded resistance.
- plains indian — a member of any of the North American Indian peoples formerly living in the Great Plains of the US and Canada
- plasmodiocarp — a fruiting body of certain myxomycetes.
- plastic paddy — a person who, although not born in Ireland, is of Irish descent and places great importance on Irishness
- platinum disc — (in Britain) an album certified to have sold 300 000 copies or a single certified to have sold 600 000 copies
- platitudinous — characterized by or given to platitudes.
- playing cards — cards used in playing various games, arranged in decks of four suits (spades, hearts, diamonds, and clubs): a standard deck has 52 cards
- polydaemonism — the belief in many evil spirits.
- posix threads — (programming) (Pthreads) A POSIX standard API that defines a set of C programming language types, functions and constants for creating and manipulating pre-emptive threads. The standard's full name is "POSIX.1c, Threads extensions (IEEE Std 1003.1c-1995)". Implementations are available on many Unix-like POSIX-conformant operating systems such as FreeBSD, NetBSD, OpenBSD, GNU/Linux, Mac OS X and Solaris as well as DR-DOS and Microsoft Windows. Pthreads was designed and implemented in the PART Project (POSIX / Ada-Runtime Project).
- post-actinide — transactinide
- post-freudian — of or relating to Sigmund Freud or his doctrines, especially with respect to the causes and treatment of neurotic and psychopathic states, the interpretation of dreams, etc.
- post-prandial — after a meal, especially after dinner: postprandial oratory; a postprandial brandy.
- predesignated — to designate beforehand.
- predestinated — Theology. to foreordain by divine decree or purpose.
- predestinator — a person or thing that predestinates something.
- prediagnostic — of, relating to, or used in diagnosis.
- preindustrial — of, pertaining to, of the nature of, or resulting from industry: industrial production; industrial waste.
- presanctified — (of the Eucharistic elements) consecrated at a previous Mass.
- primigravidas — a woman pregnant for the first time.