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

  • legal proceedings — court case
  • logic programming — (artificial intelligence, programming, language)   A declarative, relational style of programming based on first-order logic. The original logic programming language was Prolog. The concept is based on Horn clauses. The programmer writes a "database" of "facts", e.g. wet(water). ("water is wet") and "rules", e.g. mortal(X) :- human(X). ("X is mortal is implied by X is human"). Facts and rules are collectively known as "clauses". The user supplies a "goal" which the system attempts to prove using "resolution" or "backward chaining". This involves matching the current goal against each fact or the left hand side of each rule using "unification". If the goal matches a fact, the goal succeeds; if it matches a rule then the process recurses, taking each sub-goal on the right hand side of the rule as the current goal. If all sub-goals succeed then the rule succeeds. Each time a possible clause is chosen, a "choice point" is created on a stack. If subsequent resolution fails then control eventually returns to the choice point and subsequent clauses are tried. This is known as "backtracking". Clauses may contain logic variables which take on any value necessary to make the fact or the left hand side of the rule match a goal. Unification binds these variables to the corresponding subterms of the goal. Such bindings are associated with the choice point at which the clause was chosen and are undone when backtracking reaches that choice point. The user is informed of the success or failure of his first goal and if it succeeds and contains variables he is told what values of those variables caused it to succeed. He can then ask for alternative solutions.
  • logical operation — Boolean operation.
  • lymphangiographic — Relating to lymphangiography.
  • magnetic monopole — a hypothetical very heavy particle with an isolated magnetic north pole or magnetic south pole.
  • make no apologies — If you say that you make no apologies for what you have done, you are emphasizing that you feel that you have done nothing wrong.
  • manpower planning — a procedure used in organizations to balance future requirements for all levels of employee with the availability of such employees
  • melissopalynology — The study of honey and its composition.
  • micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
  • midmorning prayer — the third of the seven canonical hours; terce
  • mongolian hot pot — a stewlike dish of sliced meat, seafood, and vegetables cooked together in hot broth, often in a clay pot, and seasoned with a hot sauce.
  • negative polarity — the grammatical character of a word or phrase, such as ever or any, that may normally be used only in a semantically or syntactically negative or interrogative context
  • neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
  • neuropharmacology — the branch of pharmacology concerned with the effects of drugs on the nervous system.
  • non-profit-making — A non-profit-making organization or charity is not run with the intention of making a profit.
  • non-reciprocating — to give, feel, etc., in return.
  • northeast passage — a ship route along the N coast of Europe and Asia, between the North Sea and the Pacific.
  • northwest passage — a ship route along the Arctic coast of Canada and Alaska, joining the Atlantic and Pacific oceans.
  • oceanographically — In terms of oceanography.
  • old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
  • on speaking terms — the act, utterance, or discourse of a person who speaks.
  • on the pig's back — successful; established
  • on-street parking — parking (of a car, vehicle, etc) that is or is allowed to be done on a street
  • open-end mortgage — a mortgage agreement against which new sums of money may be borrowed under certain conditions.
  • opening arguments — the statements or arguments provided by lawyers at the beginning of a trial
  • operating theatre — An operating theatre is a special room in a hospital where surgeons carry out medical operations.
  • 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.
  • organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
  • organic psychosis — a severe mental illness produced by damage to the brain, as a result of poisoning, alcoholism, disease, etc
  • organophosphorous — Misspelling of organophosphorus.
  • packaging company — a company that packages goods on behalf of the producer
  • paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
  • parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • passenger station — a station used by passengers
  • perforation gauge — a marked ruler used to measure the number of perforations per unit length along the borders of a stamp.
  • performance drugs — the drugs that are taken illegally by athletes to enhance their sporting performance
  • permutation group — a mathematical group whose elements are permutations and in which the product of two permutations is the same permutation as is obtained by performing them in succession.
  • persona non grata — a person who is not welcome: He has become persona non grata in our club since his angry outburst.
  • personnel manager — head of Human Resources department
  • phantom pregnancy — the occurrence of signs of pregnancy, such as enlarged abdomen and absence of menstruation, when no embryo is present, due to hormonal imbalance
  • phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
  • 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
  • pitching rotation — the regular, scheduled succession of starting pitchers designated by a manager: a four-man pitching rotation in September.
  • play along (with) — to join in or cooperate (with)
  • ploughman's lunch — a light lunch consisting of bread and cheese, and sometimes pickled onions.
  • poison-arrow frog — a small, bright-colored terrestrial frog of the family Dendrobatidae, of Central and South American rain forests, that secretes a virulent poison from its skin, once used on the tips of Indian hunting arrows.
  • polarizing filter — a camera lens filter used to control the plane of polarization of light entering the lens.
  • poor man's orange — a grapefruit
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