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19-letter words containing i, r, s, o

  • representationalism — Also called representative realism. Epistemology. the view that the objects of perception are ideas or sense data that represent external objects, especially the Lockean doctrine that the perceived idea represents exactly the primary qualities of the external object.
  • republic of letters — the collective body of literary people.
  • research fellowship — the position or office of someone who conducts academic research into a subject at a university, etc
  • reserved occupation — in time of war, an occupation from which one will not be called up for military service
  • resign oneself (to) — to submit or become reconciled (to); accept (something) passively
  • resistance movement — a movement fighting (for freedom, etc), often secretly or illegally, against an invader in an occupied country or against the country's government, etc
  • resonance radiation — radiation emitted by an atom or molecule, having the same frequency as that of an incident particle, as a photon, and usually involving a transition to the lowest energy level of the atom or molecule.
  • resonant-jet engine — resojet engine.
  • resorcinolphthalein — fluorescein.
  • respiratory failure — a condition in which the respiratory system is unable to provide an adequate supply of oxygen or to remove carbon dioxide efficiently
  • respiratory pigment — any of several colored protein substances, as hemoglobin and hemocyanin, in the circulatory system of animals and some plants, that combine reversibly with oxygen that is carried to the tissues
  • restorative justice — a theory and method in criminal justice in which it is arranged that the victim and the community receive restitution from the offender.
  • restriction enzymes — any of a group of enzymes that catalyze the cleavage of DNA molecules at specific sites: used for gene splicing in recombinant DNA technology and for chromosome mapping.
  • reversible reaction — a reaction that, depending on ambient conditions, can proceed in either of two directions: the production of the reaction products from the reactants, or the production of the original reactants from the formed reaction products. Compare equilibrium (def 4).
  • rhetorical question — a question asked solely to produce an effect or to make an assertion and not to elicit a reply, as “What is so rare as a day in June?”.
  • rhodesian ridgeback — a large short-haired breed of dog characterized by a ridge of hair growing along the back in the opposite direction to the rest of the coat. It was originally a hunting dog from South Africa
  • ride roughshod over — shod with horseshoes having projecting nails or points.
  • ring someone's bell — a hollow instrument of cast metal, typically cup-shaped with a flaring mouth, suspended from the vertex and rung by the strokes of a clapper, hammer, or the like.
  • ring-a-ring-a-roses — a children's game in which the players sing a song, at the end of which they all fall down
  • risk excess of loss — Risk excess of loss is a type of reinsurance that is given to an insurer to protect against a single loss or risk incurred at a specified amount.
  • rock-paper-scissors — a method of selecting, for example, which of two people perform a task: each person simultaneously makes one of three hand gestures representing a rock, a sheet of paper, and a pair of scissors respectively. Each gesture defeats one and is defeated by one of the other two: rock defeats scissors but is defeated by paper; paper defeats rock but is defeated by scissors. The person whose gesture defeats the other is selected
  • ruffini's corpuscle — an end organ of certain sensory neurons that branches out parallel to the skin and responds to steady pressure.
  • saber-toothed tiger — any of several extinct members of the cat family Felidae from the Oligocene to Pleistocene Epochs, having greatly elongated, saberlike upper canine teeth.
  • sabre-toothed tiger — any of various extinct Tertiary felines of the genus Smilodon and related genera, with long curved upper canine teeth
  • saccharofarinaceous — pertaining to or consisting of sugar and meal.
  • saccharolactic acid — mucic acid.
  • sacrifice operative — a euphemistic term for a suicide bomber
  • saddle-billed stork — a large stork, Ephippiorhynchus senegalensis, of West Africa, having a white and black body and a long, red and black bill.
  • samoa standard time — a standard time used in the zone which includes American Samoa, corresponding to the mean solar time of the 165th meridian west of Greenwich, England: it is eleven hours behind Greenwich time
  • san bernardino pass — a pass over the Lepontine Alps in SE Switzerland. Highest point: 2062 m (6766 ft)
  • san francisco peaks — a mountain mass in N Arizona: highest point in the state, Humphrey's Peak, 12,611 feet (3845 meters).
  • san juan capistrano — a city in SW California: site of old Spanish mission; known for annual return of swallows, said to occur on March 19.
  • san salvador island — an island in the central Bahamas: the first land in the New World seen by Christopher Columbus (1492). Area: 156 sq km (60 sq miles)
  • sandwich generation — the generation of people still raising their children while having to care for their aging parents.
  • sanitary protection — Sanitary protection is sanitary towels or tampons.
  • santiago del estero — a city in N Argentina.
  • saturation coverage — news coverage (of an event, etc) that is very thorough in order not to miss any details
  • sb's spiritual home — your spiritual home is the place where you feel that you belong, usually because your ideas or attitudes are the same as those of the people who live there
  • scattersite housing — public housing, especially for low-income families, built throughout an urban area rather than being concentrated in a single neighborhood.
  • screen actors guild — a labor union for motion-picture performers, founded in 1933. Abbreviation: SAG.
  • sea floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
  • sea of tranquillity — Astronomy. Mare Tranquillitatis.
  • sea-floor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
  • seat belt tensioner — A seat belt tensioner is a device in a vehicle that pulls a seat belt tight if there is a sudden movement or stop.
  • secondary dentition — the permanent dentition
  • secondary education — education at high-school level
  • secondary infection — an infection resulting from another infection
  • secondary intention — See under intention (def 5b).
  • secondary picketing — the picketing by strikers of a place of work that supplies goods to or distributes goods from their employer
  • secondary qualities — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
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