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17-letter words containing o, c, s

  • purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
  • purple shore crab — any of numerous crabs that live along the shoreline between the tidemarks, as Hemigrapsus nudus (purple shore crab) of the Pacific coast of North America.
  • 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.
  • pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
  • pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
  • quantity discount — When you receive a quantity discount from a store or supplier, you pay less because you have bought a large quantity of goods. Also known as bulk buying discount.
  • quasi-competitive — of, pertaining to, involving, or decided by competition: competitive sports; a competitive examination.
  • rack one's brains — to strain in mental effort, esp to remember something or to find the solution to a problem
  • radioactive waste — the radioactive by-products from the operation of a nuclear reactor or from the reprocessing of depleted nuclear fuel.
  • 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
  • refuse destructor — someone responsible for or something that destructs or destroys rubbish and waste
  • registered office — official business address
  • registered stocks — stocks officially registered to the name of the owner
  • renaissance woman — a woman who has acquired profound knowledge or proficiency in more than one field.
  • repertory society — a group that supports amateur performances of plays by its members
  • rescue operations — operations or organized procedures to bring people or a person out of danger, attack, harm, etc
  • resource recovery — Resource recovery is when energy, a material, or a product is taken from waste and used.
  • 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.
  • respiratory tract — the passages through which air enters and leaves the body
  • 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.
  • rhetorical stress — stress required by the meaning of a line, as distinguished from that required by the meter.
  • 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
  • rush-hour traffic — the large number of vehicles that move along roads, travelling to or from work at the beginning and end of the working day
  • sacra romana rota — the official name of the Rota.
  • sacred roman rota — rota1 (def 3).
  • sacrifice paddock — a grassed area allowed to be grazed completely, to be cultivated and resown later
  • sacrificial anode — Chemistry. an anode that is attached to a metal object subject to electrolysis and is decomposed instead of the object.
  • safety inspection — an inspection of a place carried out to ensure that it is safe and not dangerous
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