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18-letter words containing i, o, n, t, r

  • restriction enzyme — 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.
  • 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
  • retirement pension — income: no longer at work
  • retrograde amnesia — a memory disorder characterized by an inability to remember events or experiences that occurred before a significant point in time.
  • return-flue boiler — a fire-tube boiler having flues that collect the combustion gases at the end of the boiler opposite the fire door and pass them through the boiler to an uptake above the fire door.
  • reverberation time — the time it takes for a sound made in a room to diminish by 60 decibels.
  • revolution counter — a device for counting or recording the number of revolutions made by a rotating shaft, as of a motor or engine.
  • revolutionary wars — American Revolution.
  • rhode island white — one of a dual-purpose American breed of chickens having white feathers and a rose comb.
  • rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
  • ribbon development — housing or commercial buildings built along a stretch of road.
  • 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.
  • roman architecture — buildings in style of ancient Rome
  • roman congregation — any of the executive departments of the Curia Romana as the administration of the Roman Catholic Church.
  • rotary clothesline — an apparatus of radiating spokes that support lines on which clothes are hung to dry
  • rotational latency — (storage, hardware)   The time for the start of the required sector on a disk to appear underneath the read/write head. The worst case is where it has just passed the head when the request is received. For a disk drive with N heads per surface, rotating at R revolutions per minute, the average rotational latency will be L = 30/NR seconds. Rotational latency is one component of access time.
  • rotational molding — a method for molding hollow plastic objects by placing finely divided particles in a hollow mold that is rotated about two axes, exposing it to heat and then to cold.
  • rubbish collection — the collection of domestic refuse for disposal
  • running commentary — non-stop description of sth
  • russian federation — a republic extending from E Europe to N and W Asia. 6,593,000 sq. mi. (17,076,000 sq. km). Capital: Moscow.
  • russian revolution — Also called February Revolution. the uprising in Russia in March, 1917 (February Old Style), in which the Czarist government collapsed and a provisional government was established.
  • safety regulations — regulations or rules that are put in place to ensure a product, event, etc, is safe and not dangerous
  • saint george's day — April 23, celebrated in parts of the British Commonwealth in honor of the patron saint of Britain and especially in New Zealand as a bank holiday.
  • saint john's bread — carob (def 2).
  • saturated solution — A saturated solution is a solution in which there is so much solute that if there was any more, it would not dissolve.
  • saturation bombing — intense area bombing intended to destroy everything in the target area.
  • school of motoring — a centre where people pay for lessons to learn to drive
  • 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.
  • scientific officer — a police officer who carries out forensic examinations
  • 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 deerhound — one of a Scottish breed of large, tall hunting dogs having a medium-length, wiry, gray or reddish-fawn coat, originally developed for hunting and bringing down deer, and known as the royal dog of Scotland.
  • seasonal promotion — Seasonal promotions are items marketed to customers at the appropriate time of year, such as coats in the winter and bathing suits in the summer.
  • seasonal variation — season-related variation
  • second triumvirate — the coalition and joint rule of the Roman Empire by Antony, Lepidus, and Octavian, begun in 43 bc
  • secondary industry — manufacturing, services, etc.
  • security of tenure — (in Britain) the right of a tenant to continue to occupy a dwelling or site unless the landlord obtains a court order for possession of the property or termination of the tenancy agreement
  • 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-determination — determination by oneself or itself, without outside influence.
  • self-fertilization — Botany. fertilization of an ovum of a plant by a male gamete from the same flower (opposed to cross-fertilization).
  • 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-interrogation — the act of interrogating; questioning.
  • 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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