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

  • 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.
  • origin of species — (On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life) a treatise (1859) by Charles Darwin setting forth his theory of evolution.
  • paleoanthropology — the study of the origins and predecessors of the present human species, using fossils and other remains.
  • 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
  • philosopher kings — the Platonic ideal of a ruler, philosophically trained and enlightened.
  • phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
  • pillion passenger — a person who travels in a seat or place behind the rider of a motorcycle, scooter, horse, etc
  • pioneering spirit — a willingness to endure hardship in order to explore new places or try out new things
  • pointer swizzling — swizzle
  • polarizing filter — a camera lens filter used to control the plane of polarization of light entering the lens.
  • poor man's orange — a grapefruit
  • portfolio manager — a person employed by others to make investments for them
  • portuguese guinea — former name of Guinea-Bissau.
  • 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.
  • pre-configuration — the relative disposition or arrangement of the parts or elements of a thing.
  • pre-investigation — the act or process of investigating or the condition of being investigated.
  • pre-technological — of or relating to technology; relating to science and industry.
  • precision bombing — aerial bombing in which bombs are dropped, as accurately as possible, on a specific, usually small, target.
  • precision casting — investment casting.
  • predatory pricing — If a company practises predatory pricing, it charges a much lower price for its products or services than its competitors in order to force them out of the market.
  • prescription drug — medication available only on doctor's instruction
  • presiding officer — the person who presides over the Scottish Parliament or Welsh Assembly
  • proficiency badge — an insignia or device granted by the Girl Scouts and worn especially on a uniform to indicate special achievement.
  • program generator — a computer program that can be used to help to create other computer programs
  • program statement — a single instruction in a computer program
  • programme planner — someone who creates plans or schedules in regards to their line of work or occupation
  • prolonged-release — A prolonged-release drug delivers a dose of a medication over an extended period of time.
  • propelling pencil — a pencil consisting of a metal or plastic case containing a replaceable lead. As the point is worn away the lead can be extended, usually by turning part of the case
  • put the finger on — to inform on or identify, esp for the police
  • 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.
  • reformed spelling — a revised orthography intended to simplify the spelling of English words, especially to eliminate unpronounced letters, as by substituting thru for through, tho for though, slo for slow, etc.
  • role-playing game — a game in which participants adopt the roles of imaginary characters in an adventure under the direction of a Game Master.
  • schizophrenogenic — causative of schizophrenia.
  • sensitivity group — a group of persons participating in sensitivity training.
  • separation energy — binding energy (def 1).
  • shooting practice — practice in shooting for soldiers or other people who shoot guns
  • shopping precinct — pedestrian area with shops
  • sleeping problems — difficulties in getting to sleep or in staying asleep
  • sound spectrogram — a graphic representation, produced by a sound spectrograph, of the frequency, intensity, duration, and variation with time of the resonance of a sound or series of sounds.
  • 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
  • spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
  • spread your wings — if you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience
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