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18-letter words containing c, a, s, e, r, o

  • quality of service — (communications, networking)   (QoS) The performance properties of a network service, possibly including throughput, transit delay, priority. Some protocols allow packets or streams to include QoS requirements.
  • racial segregation — social policy: separation of races
  • radiation sickness — sickness caused by irradiation with x-rays or other nuclear radiation as a result of therapeutic treatment, accidental exposure, or a nuclear bomb explosion and characterized by nausea, vomiting, headache, cramps, diarrhea, loss of hair and teeth, destruction of white blood cells, and prolonged hemorrhage.
  • radical expression — an expression in which radical signs appear.
  • radioactive series — a succession of elements initiated in the radioactive decay of a parent, as thorium or uranium, each of which decays into the next until a stable element, usually lead, is produced.
  • raman spectroscopy — a form of spectroscopy which uses the Raman effect for studying molecules
  • real-estate office — the place where a real-estate agent works
  • recess appointment — a person appointed to an office by the President of the United States without approval from the Senate because the Senate is in recess
  • reconnaissance car — a specially equipped and armed car used for making military reconnaissance.
  • reduction strategy — (theory)   An algorithm for deciding which redex(es) to reduce next. Different strategies have different termination properties in the presence of recursive functions or values. See string reduction, normal order reduction, applicative order reduction, parallel reduction
  • registered company — a company which has officially registered its business
  • reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
  • reprocessing plant — a plant where materials are treated in order to make them reusable
  • rescind a contract — If an insurer rescinds an insurance contract, it terminates it because facts have been concealed or misrepresented by the proposer.
  • residential school — (in Canada) a boarding school maintained by the Canadian government for Indian and Inuit children from sparsely populated settlements
  • restoration comedy — English comedy of the period of the Restoration, stressing manners and social satire.
  • resurrection plant — a desert plant, Selaginella lepidophylla, occurring from Texas to South America, having stems that curl inward when dry.
  • resuscitation room — an intensive care unit
  • rhodes scholarship — one of a number of scholarships at Oxford University, established by the will of Cecil Rhodes, for selected students (Rhodes scholars) from the British Commonwealth and the United States.
  • rolling resistance — The rolling resistance of a wheel or ball is its resistance to movement caused by friction between it and the surface it is rolling on.
  • rotary clothesline — an apparatus of radiating spokes that support lines on which clothes are hung to dry
  • schofield barracks — a town on central Oahu, in central Hawaii.
  • scholarship holder — a person who, because of academic merit, receives financial aid for their studies
  • school certificate — (in England and Wales between 1917 and 1951 and currently in New Zealand) a certificate awarded to school pupils who pass a public examination: the equivalent of GCSE
  • science dictionary — a specialized dictionary covering terms in the life, earth, and physical sciences, such as the online Science Dictionary on Dictionary.com. A science dictionary includes many technical terms with precise, specialized meanings—terms not normally found in general dictionaries—making it an invaluable resource for students and professionals in scientific fields.
  • scissors-and-paste — designating or of a piece of writing that has been assembled from a variety of sources rather than by original research, often in a hasty or uninspired way
  • scottish secretary — the Secretary of State for Scotland, head of the Scotland Office, a UK government department with responsibility for some Scottish affairs
  • scratch one's head — If you say that someone is scratching their head, you mean that they are thinking hard and trying to solve a problem or puzzle.
  • search-and-destroy — designed to find and destroy by bombing etc
  • second triumvirate — the coalition and joint rule of the Roman Empire by Antony, Lepidus, and Octavian, begun in 43 bc
  • second-hand dealer — a person who deals in second-hand things, such as cars, or furniture
  • secondary consumer — (in the food chain) a carnivore that feeds only upon herbivores.
  • secondary deviance — deviant behavior that results from being publicly labeled as deviant and treated as an outsider.
  • secondary diagonal — a diagonal line or plane.
  • secondary emission — the emission of electrons (secondary electrons) from a material that is bombarded with electrons or ions.
  • secondary industry — manufacturing, services, etc.
  • secondary offering — the sale of a large block of outstanding stock off the floor of an exchange, usually by a major stockholder.
  • secondary recovery — extraction of oil or natural gas under artificially induced pressure after the natural flow has ceased.
  • secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
  • secretary of state — the head and chief administrator of the U.S. Department of State. Compare foreign minister.
  • selective abortion — the aborting of particular embryos for medical or social reasons
  • self-certification — statement of sick leave
  • self-contradiction — an act or instance of contradicting oneself or itself.
  • self-contradictory — an act or instance of contradicting oneself or itself.
  • self-glorification — a glorified or more splendid form of something.
  • self-gratification — the act of pleasing or satisfying oneself, especially the gratifying of one's own impulses, needs, or desires.
  • self-incrimination — the act of incriminating oneself or exposing oneself to prosecution, especially by giving evidence or testimony.
  • self-instructional — pertaining to or constituting learning materials and conditions arranged so that students can proceed to learn on their own with little or no supervision.
  • self-mortification — the inflicting of pain or privation on oneself: He was certain that self-mortification was the only road to salvation.
  • self-preoccupation — the state of being preoccupied.
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