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17-letter words containing o, n, s, c, r

  • pre-modifications — an act or instance of modifying.
  • precision bombing — aerial bombing in which bombs are dropped, as accurately as possible, on a specific, usually small, target.
  • precision casting — investment casting.
  • prescription drug — medication available only on doctor's instruction
  • presentation copy — a copy of a book given by the publisher or author
  • presiding officer — the person who presides over the Scottish Parliament or Welsh Assembly
  • press association — an organization formed for the purpose of gathering news for transmittal to its members. Compare news agency.
  • production string — A production string is the series of pipes through which the oil or gas is brought up from the reservoir.
  • production system — (programming)   A production system consists of a collection of productions (rules), a working memory of facts and an algorithm, known as forward chaining, for producing new facts from old. A rule becomes eligible to "fire" when its conditions match some set of elements currently in working memory. A conflict resolution strategy determines which of several eligible rules (the conflict set) fires next. A condition is a list of symbols which represent constants, which must be matched exactly; variables which bind to the thing they match and "<> symbol" which matches a field not equal to symbol. Example production systems are OPS5, CLIPS, flex.
  • production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
  • project assurance — The process of specifying the support system: techniques, internal standards, measurements, tools, and training for a project; counselling the project team in the application of these elements and monitoring the adherence to the standards.
  • protocol analyser — (communications, hardware, networking, testing, tool)   Any device that captures and interprets the network traffic between two or more connected computer systems. The traffic can then be decoded so that it is possible to see what processes are occurring. By examining the flow of traffic, protocol analysers can be used to find out where problems (such as bottlenecks or the failure of a network device) are on a LAN. Advanced protocol analysers can also provide statistics on the traffic that can help to identify trends that may in future lead to further problems with the network.
  • proton microscope — a powerful type of microscope that uses a beam of protons, giving high resolution and sharp contrast
  • put the screws on — a metal fastener having a tapered shank with a helical thread, and topped with a slotted head, driven into wood or the like by rotating, especially by means of a screwdriver.
  • 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.
  • rack one's brains — to strain in mental effort, esp to remember something or to find the solution to a problem
  • radioluminescence — luminescence induced by nuclear radiation.
  • railroad crossing — place for vehicles to cross train tracks
  • recoil escapement — anchor escapement.
  • reconstructionism — a 20th-century movement among U.S. Jews, founded by Rabbi Mordecai M. Kaplan, advocating that Judaism, being a culture and way of life as well as a religion, is in sum a religious civilization requiring constant adaptation to contemporary conditions so that Jews can identify more readily and meaningfully with the Jewish community.
  • reconstructionist — an advocate or supporter of Reconstruction or Reconstructionism.
  • recording session — a period of time devoted to recording music in a studio
  • recovery position — a position in which an unconscious person can be lain on the floor, which minimises them from further risk
  • recreationalist's — recreationist.
  • recrystallization — to become crystallized again.
  • recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.
  • recursive acronym — (convention)   A hackish (and especially MIT) tradition is to choose acronyms and abbreviations that refer humorously to themselves or to other acronyms or abbreviations. The classic examples were two MIT editors called EINE ("EINE Is Not Emacs") and ZWEI ("ZWEI Was EINE Initially"). More recently, there is a Scheme compiler called LIAR (Liar Imitates Apply Recursively), and GNU stands for "GNU's Not Unix!" - and a company with the name CYGNUS, which expands to "Cygnus, Your GNU Support". See also mung.
  • reduce to silence — If someone or something reduces you to silence, they make you feel so upset or confused that you cannot speak.
  • refuse collection — the collection of rubbish and waste, usually in a rubbish or refuse truck, before final disposal
  • renaissance woman — a woman who has acquired profound knowledge or proficiency in more than one field.
  • rescue operations — operations or organized procedures to bring people or a person out of danger, attack, harm, etc
  • respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
  • resurrection fern — a drought-resistant, evergreen, epiphytic fern, Polypodium polypodioides, of subtropical to tropical America, appearing to be a ball of coiled, dead leaves in the dry season but reviving with moisture.
  • retrocessionaires — a reinsurance company that accepts or takes a retrocession.
  • revascularization — the restoration of the blood circulation of an organ or area, achieved by unblocking obstructed or disrupted blood vessels or by surgically implanting replacements.
  • rhinoceros beetle — any of several scarabaeid beetles, especially of the genus Dynastes, which comprises the largest beetles, characterized by one or more horns on the head and prothorax.
  • road construction — the building of roads
  • rocket propulsion — propulsion of an object by thrust developed by a rocket.
  • roman catholicism — the faith, practice, and system of government of the Roman Catholic Church.
  • ross and cromarty — a historic county in NW Scotland.
  • rotation of crops — a system of rotating in a fixed order the kinds of crops, as grain or grass, grown in the same field, to maintain soil fertility
  • roving commission — authority or power given in a general area, without precisely defined terms of reference
  • rush one's fences — to proceed with precipitate haste
  • sacra romana rota — the official name of the Rota.
  • sacred roman rota — rota1 (def 3).
  • sacrificial anode — Chemistry. an anode that is attached to a metal object subject to electrolysis and is decomposed instead of the object.
  • safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
  • saint christopher — Saint, died a.d. c250, Christian martyr.
  • saint croix river — Also called Santa Cruz. a U.S. island in the N Lesser Antilles: the largest of the Virgin Islands. 82 sq. mi. (212 sq. km).
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