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18-letter words containing p, o, e, t

  • optical carrier 12 — (networking)   (OC-12) A SONET rate of 12 * 51.84 = 622.08 megabits per second.
  • optical carrier 48 — (networking)   (OC-48) A SONET rate of 48 * 51.84 = 2488.32 megabits per second.
  • optical disc drive — optical disk drive
  • optical disk drive — (hardware)   (Or "optical disc drive", "optical storage") A generic term for any device that reads and/or writes optical media, i.e. compact discs, DVDs and/or Blu-ray discs or future media that uses light (from a small laser) to read data off a removable, rotating disk. At least one such drive is commonly installed in most personal computers to allow them to play and/or record audio and video media and load and store data such as program installers. The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000 times as much).
  • optical microscope — traditional magnifying instrument
  • oracle corporation — (company)   The world's leading supplier of information management software. The company, worth $2 billion, offers its products, along with related consulting, education and support services in more than 90 countries around the world. Oracle is best known for its database management systems vendor and relational DBMS products. Oracle develops and markets Oracle Media Server and the Oracle7 family of software products for database management; Co-operative Development Environment and Oracle Co-operative Applications Oracle software runs on personal digital assistants, set-top boxs, IBM PCs, workstations, minicomputers, mainframes and massively parallel computers. Oracle bought Sun Microsystems on 2009-04-20. See also Adaptable User Interface, Bookviewer, CASE*Method, Component Integration Laboratories, DDE Manager, Online Media, Oracle Card, Oracle*CASE, siod. Address: Redwood Shores, CA, USA.
  • oral contraceptive — birth-control pill.
  • oriental scops owl — any of a group of small owls having ear tufts and a whistling call, especially Otus scops (Old World scops owl) and O. sunia (Oriental scops owl)
  • orthopedic surgery — corrective operation on bones or joints
  • out of one's depth — a dimension taken through an object or body of material, usually downward from an upper surface, horizontally inward from an outer surface, or from top to bottom of something regarded as one of several layers.
  • outer automorphism — an automorphism that is not an inner automorphism.
  • outreach programme — a programme designed to help and encourage disadvantaged members of the community
  • over-extrapolation — to infer (an unknown) from something that is known; conjecture.
  • over-pronunciation — to pronounce (a word, syllable, etc.) in an exaggerated, affected, or excessively careful manner.
  • overcapitalization — The state of being overcapitalized.
  • overhead projector — over one's head; aloft; up in the air or sky, especially near the zenith: There was a cloud overhead.
  • overinterpretation — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
  • overpressurization — pressure in excess of normal atmospheric pressure, as that caused by an explosion's shock wave or created in an accelerating airplane.
  • overprotectiveness — unduly protective.
  • overrepresentation — to give too much representation to; represent in numbers that are disproportionately high.
  • overspecialization — excessive specialization, as in a field of study.
  • ox-tongue partisan — a shafted weapon having a long, wide, tapering blade.
  • packet switch node — (PSN) A dedicated computer whose purpose is to accept, route and forward packets in a packet-switched network.
  • paint the town red — a substance composed of solid coloring matter suspended in a liquid medium and applied as a protective or decorative coating to various surfaces, or to canvas or other materials in producing a work of art.
  • pair of spectacles — a score of 0 in each innings of a match
  • palaeoanthropology — the branch of anthropology concerned with primitive man
  • paleoclimatologist — the branch of paleogeography dealing with the study of paleoclimates.
  • par for the course — an equality in value or standing; a level of equality: The gains and the losses are on a par.
  • parallel computing — parallel processing
  • parallel evolution — the independent development of closely corresponding adaptive features in two or more groups of organisms that occupy different but equivalent habitats, as marsupial mammals in Australia and placental mammals on other continents.
  • parallel importing — the importing of certain goods, esp pharmaceutical drugs, by dealers who undersell local manufacturers
  • parallel reduction — A form of applicative order reduction in which all redexes in an expression are reduced simultaneously. Variants include parallel outermost reduction and lenient reduction. See normal order reduction.
  • partial evaluation — (compiler, algorithm)   (Or "specialisation") An optimisation technique where the compiler evaluates some subexpressions at compile-time. For example, Partial evaluation might change the termination properties of the program if, for example, the expression (x * 0) was reduced to 0 it would terminate even if x (and thus x * 0) did not. It may be necessary to reorder an expression to partially evaluate it, e.g. f x y = (x + y) + 1 g z = f 3 z If we rewrite f: f x y = (x + 1) + y then the expression x+1 becomes a constant for the function g and we can say g z = f 3 z = (3 + 1) + z = 4 + z Partial evaluation of built-in functions applied to constant arguments is known as constant folding. See also full laziness.
  • pass the hat round — to collect money, as for a cause
  • passing-out parade — a ceremonial parade of cadets who have completed their training
  • pathname separator — (file system)   The character used to separate elements of a path or pathname. Under Unix and POSIX.1 compliant systems the pathname separator is the (forward) slash, in MS-DOS backslash serves the same purpose. For obvious reasons the no directory or file name can contain this character.
  • patron of the arts — someone who acts as a patron to or supports charities, organizations, and individuals that work in or concern the arts
  • pave the way (for) — to prepare the way (for); facilitate the introduction (of)
  • pay one's respects — a particular, detail, or point (usually preceded by in): to differ in some respect.
  • payload specialist — an astronaut trained to handle highly complex or classified equipment carried aboard a space shuttle and to conduct experiments in space.
  • peak-to-peak value — Peak-to-peak value is the maximum voltage change occurring during one cycle of alternating voltage or current.
  • peano's postulates — a collection of axioms concerning the properties of the set of all positive integers, including the principle of mathematical induction.
  • peasant proprietor — a peasant who owns land, especially the land he or she tills.
  • pectoral sandpiper — an American sandpiper, Calidris melanotos, the male of which, when courting, inflates its chest conspicuously.
  • pellitory of spain — a small Mediterranean plant, Anacyclus pyrethrum, the root of which contains an oil formerly used to relieve toothache: family Asteraceae (composites)
  • pensioneer trustee — (in Britain) a person authorized by HMRC to oversee the management of a pension fund
  • people trafficking — the practice of bringing immigrants into a country illegally
  • peppermint camphor — menthol.
  • percussion section — orchestra, group: drums, etc.
  • perfect continuous — perfect progressive.
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