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15-letter words containing p, r, o, n

  • psychohistorian — a person who writes psychohistory
  • public offering — a sale of a new issue of securities to the general public through a managing underwriter (opposed to private placement): required to be registered with the Securities and Exchange Commission.
  • puffin crossing — a UK pedestrian road crossing with traffic lights signalling red to stop the traffic flow when pedestrians are seen on the crossing by infrared detectors. The green signal reappears when no pedestrians are seen on the crossing
  • pulchritudinous — physically beautiful; comely.
  • pulmobranchiate — possessing a pulmobranch
  • pulmonary valve — a semilunar valve between the pulmonary artery and the right ventricle of the heart that prevents the blood from flowing back into the right ventricle.
  • purified cotton — bleached and sterilized cotton from which the gross impurities, such as the seeds and waxy matter, have been removed: used for surgical dressings, tampons, etc
  • purposelessness — having no purpose or apparent meaning.
  • put a damper on — To put a damper on something means to have an effect on it which stops it being as enjoyable or as successful as it should be.
  • put on the ritz — ostentatious or pretentious display.
  • put one over on — to get (someone) to accept or believe a claim, excuse, etc, by deception
  • put years on sb — If you say that something such as an experience or a way of dressing has put years on someone, you mean that it has made them look or feel much older.
  • pyrocrystalline — crystallized from a molten magma or highly heated solution.
  • pyrometric cone — (in a kiln) a triangular piece of material that indicates by bending or melting that a certain temperature has been reached.
  • pyrotechnically — in a pyrotechnical manner
  • quadripartition — A division into four parts.
  • quadruplication — one of four copies or identical items, especially copies of typewritten material.
  • quarter pounder — A quarter pounder is a hamburger that weighs four ounces before it is cooked. Four ounces is a quarter of a pound.
  • queen's proctor — a British judiciary officer who may intervene in probate, nullity, or divorce actions when collusion, suppression of evidence, or other irregularities are alleged.
  • query expansion — (information science)   Adding search terms to a user's search. Query expansion is the process of a search engine adding search terms to a user's weighted search. The intent is to improve precision and/or recall. The additional terms may be taken from a thesaurus. For example a search for "car" may be expanded to: car cars auto autos automobile automobiles. The additional terms may also be taken from documents that the user has specified as being relevant; this is the basis for the "more like this" feature of some search engines. The extra terms can have positive or negative weights.
  • question period — a period of time set aside each day for members of parliament to question government ministers
  • rack-and-pinion — of or relating to a mechanism in which a rack engages a pinion: rack-and-pinion steering.
  • radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
  • radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
  • radioprotection — protection against radiation
  • random sampling — a method of selecting a sample (random sample) from a statistical population in such a way that every possible sample that could be selected has a predetermined probability of being selected.
  • re-presentation — the act of representing.
  • reapportionment — the act of redistributing or changing the apportionment of something.
  • reappropriation — the act of appropriating.
  • rear projection — the projection of filmed action or stills on a translucent screen in front of which actors are lit and filmed: used to simulate an outdoor or location background in the studio.
  • rear-projection — the projection of filmed action or stills on a translucent screen in front of which actors are lit and filmed: used to simulate an outdoor or location background in the studio.
  • reception class — A reception class is a class that children go into when they first start school at the age of four or five.
  • reception clerk — a person who works in a hotel at the desk or office where guests can books rooms or ask the staff questions
  • reconceptualize — to form into a concept; make a concept of.
  • reference group — a group with which an individual identifies and whose values the individual accepts as guiding principles.
  • reference point — a point used to find or describe the location of something
  • refuelling stop — a stop made so that fresh fuel can be supplied (to an aircraft, vehicle, etc)
  • reincorporation — the act of incorporating or the state of being incorporated.
  • remand prisoner — a prisoner who is sent back into custody (or sometimes admitted to bail) to await trial or continuation of their trial
  • renal corpuscle — Malpighian body (sense 2)
  • repeat offender — A repeat offender is someone who commits the same sort of crime more than once.
  • repeating group — (database)   Any attribute that can have multiple values associated with a single instance of some entity. For example, a book might have multiple authors. Such a "-to-many" relationship might be represented in an unnormalised relational database as multiple author columns in the book table or a single author(s) column containing a string which was a list of authors. Converting this to "first normal form" is the first step in database normalisation. Each author of the book would appear in a separate row along with the book's primary key. Later nomalisation stages would move the book-author relationship into a separate table to avoid repeating other book attibutes (e.g. title, publisher) for each author.
  • represent-to-be — to serve to express, designate, stand for, or denote, as a word, symbol, or the like does; symbolize: In this painting the cat represents evil and the bird, good.
  • representations — statements of facts, true or alleged, esp set forth by way of remonstrance or expostulation
  • reprivatization — the action or process of reprivatizing, or an instance thereof
  • resolving power — Optics. the ability of an optical device to produce separate images of close objects.
  • respecification — the act of specifying.
  • responsibleness — answerable or accountable, as for something within one's power, control, or management (often followed by to or for): He is responsible to the president for his decisions.
  • retroperitoneal — of or relating to the area behind the abdominal lining, where organs such as the kidneys and bladder are located
  • rhombencephalon — the hindbrain.
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