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13-letter words containing r, h, a, p

  • pitch surface — (in a gear or rack) an imaginary surface forming a plane (pitch plane) a cylinder (pitch cylinder) or a cone or frustrum (pitch cone) that moves tangentially to a similar surface in a meshing gear so that both surfaces travel at the same speed.
  • pitcher plant — any of various insectivorous New World bog plants of the genera Sarracenia, Darlingtonia, and Heliamphora, having tubular or trumpet-shaped leaves containing a liquid in which insects are trapped.
  • plain yoghurt — natural yoghurt, without added flavouring
  • plant hormone — an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc.
  • platform shoe — a shoe with a platform.
  • play hardball — baseball, as distinguished from softball.
  • playwrighting — the writing of plays
  • plethysmogram — the recording of a plethysmograph.
  • pneumatograph — pneumograph.
  • pneumatophore — Botany. a specialized structure developed from the root in certain plants growing in swamps and marshes, serving as a respiratory organ.
  • poker machine — a fruit machine
  • polyarthritis — arthritis occurring in more than one joint.
  • polychromatic — having or exhibiting a variety of colors.
  • pontchartrain — Lake, a shallow extension of the Gulf of Mexico in SE Louisiana, N of New Orleans. 41 miles (66 km) long; 25 miles (40 km) wide.
  • porkpie (hat) — a man's soft hat with a round, flat crown
  • port harcourt — a seaport in S Nigeria.
  • 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).
  • potato-masher — a kitchen implement used to crush or mash potatoes
  • poulard wheat — a Mediterranean wheat, Triticum turgidum, grown as a forage crop in the U.S.
  • powder charge — propellant (def 2).
  • power-sharing — Power-sharing is a political arrangement in which different or opposing groups all take part in government together.
  • prague school — a school of linguistics emphasizing structure, active in the 1920s and 1930s.
  • pre christmas — the annual festival of the Christian church commemorating the birth of Jesus: celebrated on December 25 and now generally observed as a legal holiday and an occasion for exchanging gifts.
  • pre-adulthood — of or relating to the period prior to adulthood: preadult strivings for independence.
  • pre-christian — of, relating to, or belonging to a time or period before the Christian Era.
  • pre-christmas — the annual festival of the Christian church commemorating the birth of Jesus: celebrated on December 25 and now generally observed as a legal holiday and an occasion for exchanging gifts.
  • pre-establish — to establish, set up, set out, arrange or make secure in advance or previously
  • preacher curl — a weightlifting exercise for the biceps in which a barbell is lifted by flexing the elbows, with the upper arms resting on an angled bench
  • preanesthetic — a substance that produces a preliminary or light anesthesia.
  • preattachment — an act of attaching or the state of being attached.
  • press attaché — the official in an embassy who has the job of liaising with the media
  • press charges — make formal accusation
  • pressure head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
  • presto chango — change at once (usually used imperatively, as in a magician's command).
  • primary cache — (hardware, architecture)   (L1 cache, level one cache) A small, fast cache memory inside or close to the CPU chip. For example, an Intel 80486 has an eight-kilobyte on-chip cache, and most Pentiums have a 16-KB on-chip level one cache that consists of an 8-KB instruction cache and an 8-KB data cache. The larger, slower secondary cache is normally connected to the CPU via its external bus.
  • primary tooth — one of the temporary teeth of a mammal that are replaced by the permanent teeth.
  • primrose path — a way of life devoted to irresponsible hedonism, often of a sensual nature: The evangelist exhorted us to avoid the primrose path and stick to the straight and narrow.
  • principalship — first or highest in rank, importance, value, etc.; chief; foremost.
  • private hotel — a residential hotel or boarding house in which the proprietor has the right to refuse to accept a person as a guest, esp a person arriving by chance
  • privy chamber — a private apartment in a royal residence.
  • promonarchist — the principles of monarchy.
  • prophetically — of or relating to a prophet: prophetic inspiration.
  • prosopography — a study of a collection of persons or characters, especially their appearances, careers, personalities, etc., within a historical, literary, or social context.
  • prosthodontia — the branch of dentistry that deals with the restoration and maintenance of oral function by the replacement of missing teeth and other oral structures by artificial devices.
  • protest march — public demonstration
  • protochordate — any of the nonvertebrate chordates, as the tunicates, cephalochordates, and hemichordates.
  • pseudepigraph — a book or piece of writing that is falsely titled or credited
  • psilanthropic — relating to psilanthropism
  • psychobabbler — a person who uses psychobabble
  • psychographer — a person who writes a psychograph; a psychological or psychographic biographer.
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