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16-letter words containing p, e, o, y

  • neurohypophysial — Relating to the neurohypophysis.
  • neuropsychiatric — Of or pertaining to neuropsychiatry; simultaneously neurological and psychiatric.
  • nicoya peninsula — a peninsula in NW Costa Rica, on the Pacific Ocean.
  • non-contemporary — existing, occurring, or living at the same time; belonging to the same time: Newton's discovery of the calculus was contemporary with that of Leibniz.
  • non-metaphysical — pertaining to or of the nature of metaphysics.
  • nucleophilically — In a nucleophilic manner.
  • occupation layer — (on an archaeological site) a layer of remains left by a single culture, from which the culture can be dated or identified.
  • on your doorstep — If a place is on your doorstep, it is very near to where you live. If something happens on your doorstep, it happens very close to where you live.
  • one-party system — a political system in which only one party is allowed
  • onomatopoeically — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
  • opening ceremony — a ceremony held in celebration of the start of something
  • operating system — (operating system)   (OS) The low-level software which handles the interface to peripheral hardware, schedules tasks, allocates storage, and presents a default interface to the user when no application program is running. The OS may be split into a kernel which is always present and various system programs which use facilities provided by the kernel to perform higher-level house-keeping tasks, often acting as servers in a client-server relationship. Some would include a graphical user interface and window system as part of the OS, others would not. The operating system loader, BIOS, or other firmware required at boot time or when installing the operating system would generally not be considered part of the operating system, though this distinction is unclear in the case of a rommable operating system such as RISC OS. The facilities an operating system provides and its general design philosophy exert an extremely strong influence on programming style and on the technical cultures that grow up around the machines on which it runs. Example operating systems include 386BSD, AIX, AOS, Amoeba, Angel, Artemis microkernel, BeOS, Brazil, COS, CP/M, CTSS, Chorus, DACNOS, DOSEXEC 2, GCOS, GEORGE 3, GEOS, ITS, KAOS, Linux, LynxOS, MPV, MS-DOS, MVS, Mach, Macintosh operating system, Microsoft Windows, MINIX, Multics, Multipop-68, Novell NetWare, OS-9, OS/2, Pick, Plan 9, QNX, RISC OS, STING, System V, System/360, TOPS-10, TOPS-20, TRUSIX, TWENEX, TYMCOM-X, Thoth, Unix, VM/CMS, VMS, VRTX, VSTa, VxWorks, WAITS.
  • operating-system — the collection of software that directs a computer's operations, controlling and scheduling the execution of other programs, and managing storage, input/output, and communication resources. Abbreviation: OS.
  • opposed-cylinder — (of an internal-combustion engine) having cylinders on opposite sides of the crankcase in the same plane
  • organoleptically — In an organoleptic manner.
  • orthosympathetic — Of or pertaining to the sympathetic component of the autonomic nervous system.
  • overcompensatory — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
  • paleoclimatology — the branch of paleogeography dealing with the study of paleoclimates.
  • paraformaldehyde — a white, crystalline polymer of formaldehyde, (HCOH) n , from which it is obtained by evaporation of the aqueous solution: used chiefly as an antiseptic.
  • parity operation — the mathematical operation of reversing the directions of all three space coordinates. Symbol: P.
  • parts of lindsey — an area in E England constituting a former administrative division of Lincolnshire
  • pays de la loire — a region of W France, on the Bay of Biscay: generally low-lying, drained by the River Loire and its tributaries; agricultural
  • pearly razorfish — See under razorfish.
  • periodic tenancy — the letting of a dwelling for a repeated short term, as by the week, month, or quarter, with no end date
  • personal hygiene — bodily cleanliness
  • personal liberty — the liberty of an individual to do his or her will freely except for those restraints imposed by law to safeguard the physical, moral, political, and economic welfare of others.
  • personal stylist — a person employed by a rich or famous client to offer advice on clothes, hairstyles, and other aspects of personal appearance
  • personality cult — deliberately cultivated adulation of a person, esp a political leader
  • personality test — an instrument, as a questionnaire or series of standardized tasks, used to measure personality characteristics or to discover personality disorders.
  • personality type — a cluster of personality traits commonly occurring together
  • personnel agency — an agency for placing employable persons in jobs; employment agency.
  • phagocytic index — the average number of bacteria ingested per phagocyte in an incubated mixture of bacteria, phagocytes, and blood serum: used in determining the opsonic index.
  • phenoxybenzamine — an alpha blocker, C 1 8 H 2 2 ClNO, used to dilate vascular peripheral blood vessels in the treatment of Raynaud's disease and in pheochromocytoma.
  • pheochromocytoma — a tumor of the sympathetic nervous system or adrenal medulla, that produces excess norepinephrine and epinephrine and causes hypertension, headaches, nausea, etc.
  • photoelectricity — electricity induced by electromagnetic radiation, as in certain processes, as the photoelectric and photovoltaic effects, photoconductivity, and photoionization.
  • photoelectrotype — an electrotype made by photographic means.
  • photoperiodicity — the response, as affecting growth or reproduction, of an organism to the length of exposure to light in a 24-hour period.
  • photosensitivity — the quality of being photosensitive.
  • phototypesetting — Printing. photocomposition.
  • phylogenetically — the development or evolution of a particular group of organisms.
  • phytoremediation — a process of decontaminating soil or water by using plants and trees to absorb or break down pollutants.
  • piezoelectricity — electricity, or electric polarity, produced by the piezoelectric effect.
  • play a lone hand — to operate without assistance
  • play one's cards — to carry out one's plans; take action (esp in the phrase play one's cards right)
  • pocket secretary — a long, narrow walletlike case, usually of leather and containing pockets for credit and business cards, paper money, etc., and sometimes a notepad and pencil.
  • policy committee — a group of people who provide ideas or plans that are used by an organization or government as a basis for making decisions
  • policy statement — a declaration of the plans and intentions of an organization or government
  • political system — a coordinated set of principles, laws, ideas, and procedures relating to a particular form of government, or the form of government itself: Democracy is a political system in which citizens govern themselves.
  • polycondensation — formation of a polymer by chemical condensation with the elimination of a small molecule, such as water.
  • polyhedral angle — a configuration consisting of the lateral faces of a polyhedron around one of its vertices. The portion of a pyramid including one of its points is such a configuration.
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