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16-letter words containing a, p, o, g, i

  • operating profit — the profit of a company, etc, after it deducts its operating costs or the costs necessary to conduct the business
  • 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.
  • operationalizing — Present participle of operationalize.
  • ophthalmological — Pertaining to ophthalmology.
  • ophthalmologists — Plural form of ophthalmologist.
  • optical scanning — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
  • organ-pipe coral — an alcyonarian coral of the genus Tubipora, occurring in tropical waters, and forming a complex colony of brick-red, vertical tubules joined at intervals by transverse plates.
  • organoleptically — In an organoleptic manner.
  • orographic cloud — any cloud whose existence and form are largely controlled by the disturbed flow of air over and around mountains, as the banner cloud and crest cloud.
  • orthographically — In an orthographical manner; using proper spelling, capitalization and grammar.
  • osculating plane — the plane containing the circle of curvature of a point on a given curve.
  • overcapitalizing — Present participle of overcapitalize.
  • overcompensating — Present participle of overcompensate.
  • overcomplicating — Present participle of overcomplicate.
  • pacific sturgeon — a dark gray sturgeon, Acipenser transmontanus, inhabiting marine and fresh waters along the northwestern coast of North America, valued as a food and sport fish.
  • packing fraction — Physics. a measure of the stability of an atomic nucleus, equal to 10 4 multiplied by the mass defect and divided by the mass number.
  • paleoclimatology — the branch of paleogeography dealing with the study of paleoclimates.
  • partial ordering — a relation defined on a set, having the properties that each element is in relation to itself, the relation is transitive, and if two elements are in relation to each other, the two elements are equal.
  • passage to india — a novel (1924) by E. M. Forster.
  • passenger pigeon — an extinct pigeon, Ectopistes migratorius, once found in great numbers in North America, noted for its sustained migratory flights.
  • past progressive — a verb form consisting of an auxiliary be in the past tense followed by a present participle and used especially to indicate that an action or event was incomplete or in progress at a point of reference in the past, as was sleeping in I was sleeping when the phone rang.
  • pelagic division — the biogeographic realm or zone that comprises the open seas and oceans, including water of all depths.
  • pelican crossing — place to cross road
  • pension mortgage — an arrangement whereby a person takes out a mortgage and pays the capital repayment instalments into a pension fund and the interest to the mortgagee. The loan is repaid out of the tax-free lump sum proceeds of the pension plan on the borrower's retirement
  • percentage point — difference: one per cent
  • peregrine falcon — a globally distributed falcon, Falco peregrinus, much used in falconry because of its swift flight: several subspecies are endangered.
  • personal hygiene — bodily cleanliness
  • petrol rationing — a scheme rationing the amount of petrol that an individual is allowed to purchase
  • 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.
  • phantasmagorical — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
  • pharmacogenetics — the branch of pharmacology that examines the relation of genetic factors to variations in response to drugs.
  • pharmacogenomics — the study of human genetic variability in relation to drug action and its application to medical treatment
  • phenomenological — the study of phenomena.
  • phonocardiograph — an instrument for graphically recording the sound of the heartbeat.
  • phosphor fatigue — screen saver
  • photocoagulation — a surgical technique using an intense beam of light from a laser or a xenon-arc bulb to seal blood vessels or coagulate tissue, used primarily in ophthalmology to repair detached retinas or to treat certain kinds of retinopathy.
  • photolithography — the technique or art of making photolithographs.
  • photozincography — a type of photoengraving using a sensitized zinc plate.
  • phylogenetically — the development or evolution of a particular group of organisms.
  • physiognomically — the face or countenance, especially when considered as an index to the character: a fierce physiognomy.
  • pitch-cone angle — (in a bevel gear) the apex angle of the truncated cone (pitch cone) which forms the reference surface on which the teeth of a bevel gear are cut
  • play off against — If you play people off against each other, you make them compete or argue, so that you gain some advantage.
  • pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
  • pneumonic plague — a form of plague characterized by lung involvement.
  • point of sailing — the bearing of a sailing vessel, considered with relation to the direction of the wind.
  • polarizing angle — the law that light will receive maximum polarization from a reflecting surface when it is incident to the surface at an angle (angle of polarization or polarizing angle) having a tangent equal to the index of refraction of the surface.
  • pork scratchings — small pieces of crisply cooked pork crackling, eaten cold as an appetizer with drinks
  • portrait gallery — a gallery where pictures are displayed
  • portuguese india — a former Portuguese overseas territory on the W coast of India, consisting of the districts of Gôa, Daman, and Diu: annexed by India December 1961. Capital: Gôa.
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