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17-letter words containing g, a, l, p, o

  • optical computing — (hardware)   (Or "Optical Signal Processing") Operating on data represented using electromagnetic radiation, e.g. visible light, instead of the electrical signals used in a conventional electronic digital computer. Electronic digital computers are built from transistors. These form components that store data and logic gates that perform the low-level Boolean operations such as AND, OR and NOT that are the basis of all digital computation. The optical equivalent requires material with a non-linear refractive index such that light beams can interact with each other to perform the same Boolean operations. Though the photons that carry optical signals offer some theoretical advantages over the electrons that carry electronic signals, there are many practical problems that would have to be overcome before optical computing could compete in terms of cost, power and speed.
  • oregon crab apple — a shrub or small tree, Malus fusca, of the rose family, of the northwestern coast of North America, having hairy leaves, white flowers, and yellow or green oblong fruit.
  • palaeoarchaeology — the branch of archaeology concerned with the earliest fossil remains
  • palaeoclimatology — the study of climates of the geological past
  • paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
  • paleobiogeography — the study of the distribution of ancient plants and animals and their relation to ancient geographic features.
  • parallelogram law — Mathematics, Physics. a rule for adding two vectors, as forces (parallelogram of forces) by placing the point of application of one at the point of origin of the other and obtaining their sum by constructing the line connecting the two remaining end points, the sum being the diagonal of the parallelogram whose adjacent sides are the two vectors.
  • parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • pastoral theology — the branch of theology dealing with the responsibilities of members of the clergy to the people under their care.
  • pathological liar — a person who tells lies frequently, with no rational motive for doing so.
  • personnel manager — head of Human Resources department
  • pharmacologically — the science dealing with the preparation, uses, and especially the effects of drugs.
  • phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
  • photofluorography — photography of images produced by a fluoroscopic examination, used in x-ray examination of the lungs of large groups of people.
  • pile on the agony — to exaggerate one's distress for sympathy or greater effect
  • pillion passenger — a person who travels in a seat or place behind the rider of a motorcycle, scooter, horse, etc
  • play along (with) — to join in or cooperate (with)
  • ploughman's lunch — a light lunch consisting of bread and cheese, and sometimes pickled onions.
  • polarizing filter — a camera lens filter used to control the plane of polarization of light entering the lens.
  • political refugee — a person who has fled from a homeland because of political persecution.
  • popular etymology — folk etymology.
  • portfolio manager — a person employed by others to make investments for them
  • postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
  • powder metallurgy — the art or science of manufacturing useful articles by compacting metal and other powders in a die, followed by sintering.
  • pre-technological — of or relating to technology; relating to science and industry.
  • programme planner — someone who creates plans or schedules in regards to their line of work or occupation
  • programming fluid — (jargon)   (Or "wirewater") Coffee, unleaded coffee (decaffeinated), Cola, or any caffeinacious stimulant. Many hackers consider these essential for those all-night hacking runs.
  • prolonged-release — A prolonged-release drug delivers a dose of a medication over an extended period of time.
  • prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
  • pseudo-biological — pertaining to biology.
  • psychographically — Psychology. a graph indicating the relative strength of the personality traits of an individual.
  • pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
  • pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
  • repertory catalog — a catalog containing bibliographic records that indicate locations of materials in more than one library or in several units of one library.
  • role-playing game — a game in which participants adopt the roles of imaginary characters in an adventure under the direction of a Game Master.
  • school playground — school's outdoor recreation area
  • semi-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
  • shetland sheepdog — one of a breed of small sheepdogs resembling a miniature collie, raised originally in the Shetland Islands.
  • shopping bag lady — bag lady (def 1).
  • shopping-bag lady — bag lady (def 1).
  • social psychology — the psychological study of social behavior, especially of the reciprocal influence of the individual and the group with which the individual interacts.
  • special schooling — the system of educating children with special needs in schools designed to meet their needs
  • spectroheliograph — an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light.
  • spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
  • split keyboarding — the act or practice of editing data from one terminal on another terminal
  • stereolithography — a process for creating three-dimensional objects using a computer-controlled laser to build up the required structure, layer by layer, from a liquid photopolymer that solidifies.
  • taiping rebellion — a movement of religious mysticism and agrarian unrest in China between 1850 and 1864 which weakened the Manchu dynasty but was eventually suppressed with foreign aid
  • teaching hospital — a hospital associated with a medical college and offering clinical and other facilities to those in various areas of medical study, as students, interns, and residents.
  • telephone banking — a facility enabling customers to make use of banking services, such as oral payment instructions, account movements, raising loans, etc, over the telephone rather than by personal visit
  • telephone message — a message that is transmitted by telephone
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