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17-letter words containing p, o, g, r

  • hermaphrodite rig — jackass rig.
  • hippocampal gyrus — a convolution on the inner surface of the temporal lobe of the cerebrum, bordering the hippocampus.
  • historiographical — the body of literature dealing with historical matters; histories collectively.
  • holding operation — a plan or procedure devised to prolong the existing situation
  • hospital gangrene — Pathology. a contagious, often fatal gangrene, especially involving amputation stumps and war wounds, occurring usually in crowded, ill-kept hospitals, and caused by putrefactive bacteria.
  • housekeeping cart — A housekeeping cart is a large metal basket on wheels which is used by a cleaner in a hotel to move clean bed linen, towels, and cleaning equipment.
  • hydrogen peroxide — a colorless, unstable, oily liquid, H 2 O 2 , an aqueous solution of which is used chiefly as an antiseptic and a bleaching agent.
  • hydrogen sulphide — Chemistry
  • hyperpigmentation — coloration, especially of the skin.
  • hypoglossal nerve — either one of the twelfth pair of cranial nerves, consisting of motor fibers that innervate the muscles of the tongue.
  • hypophrygian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from B to B, with the final on E.
  • i beg your pardon — You say 'Pardon?' or 'I beg your pardon?' or, in American English, 'Pardon me?' when you want someone to repeat what they have just said because you have not heard or understood it.
  • illegal procedure — a penalty assessed against the offensive team for a technical rules violation, as in assuming an illegal formation.
  • impossible figure — a picture of an object that at first sight looks three-dimensional but cannot be a two-dimensional projection of a real three-dimensional object, for example a picture of a staircase that re-enters itself while appearing to ascend continuously
  • improper integral — Also called infinite integral. a definite integral in which one or both of the limits of integration is infinite.
  • improvement grant — a sum of money provided by a government, local authority, or public fund to finance the amelioration of a building, area of land, etc
  • inspector general — a comedy (1836) by Gogol.
  • inspector-general — a comedy (1836) by Gogol.
  • integer specratio — SPECint92
  • integrated optics — an assembly of miniature optical elements of a size comparable to those used in electronic integrated circuits.
  • john peter zenger — John Peter, 1697–1746, American journalist, printer, and publisher, born in Germany: his libel trial and eventual acquittal (1735) set a precedent for establishing freedom of the press in America.
  • judgment of paris — the decision by Paris to award Aphrodite the golden apple of discord competed for by Aphrodite, Athena, and Hera.
  • laryngopharyngeal — of, relating to, or involving the larynx and pharynx.
  • legal proceedings — court case
  • lepidopterologist — One who studies lepidopterology.
  • let something rip — If you let something rip, you do it as quickly or as forcefully as possible. You can say 'let it rip' or 'let her rip' to someone when you want them to make a vehicle go as fast as it possibly can.
  • lexicographically — the writing, editing, or compiling of dictionaries.
  • lighthouse keeper — a person who mans a lighthouse and makes sure that the light is working properly
  • lithostratigraphy — the study or character of stratified rocks based solely on their physical and petrographic features.
  • 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.
  • malay archipelago — an extensive island group in the Indian and Pacific oceans, SE of Asia, including the Greater and Lesser Sunda Islands, the Moluccas, and the Philippines.
  • manpower planning — a procedure used in organizations to balance future requirements for all levels of employee with the availability of such employees
  • mass spectrograph — a mass spectroscope for recording a mass spectrum on a photographic plate.
  • mercury poisoning — illness caused by exposure to mercury
  • methylidyne group — the trivalent group ≡CH.
  • micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
  • microphotographic — Relating to microphotography.
  • midmorning prayer — the third of the seven canonical hours; terce
  • modular sb-prolog — Modular Prolog
  • multiple cropping — the use of the same field for two or more crops, whether of the same or of different kinds, successively during a single year.
  • 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.
  • neurophysiologist — the branch of physiology dealing with the functions of the nervous system.
  • neuropsychologist — A neurologist or psychologist whose speciality is neuropsychology.
  • nitrogen peroxide — the equilibrium mixture of nitrogen dioxide and dinitrogen tetroxide
  • non-corresponding — identical in all essentials or respects: corresponding fingerprints.
  • non-profit-making — A non-profit-making organization or charity is not run with the intention of making a profit.
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