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21-letter words containing t, r, e, s, n, a

  • pulse height analyser — a multichannel analyser that sorts pulses into selected amplitude ranges
  • pulse height analyzer — an instrument that records or counts an electrical pulse if its amplitude falls within specified limits: used in nuclear physics research for the determination of energy spectra of nuclear radiations
  • purchasing department — the group of staff within an organization that is responsible for buying goods or products
  • put in the hard yards — to make a great effort to achieve an end
  • put sb in their place — If you put someone in their place, you show them that they are less important or clever than they think they are.
  • quartermaster general — a general in command of the Quartermaster Corps.
  • rap over the knuckles — to reprimand
  • rattle someone's cage — to upset or anger someone
  • rayleigh distribution — (mathematics)   A curve that yields a good approximation to the actual labour curves on software projects.
  • real estate insurance — Real estate insurance is insurance of property, land, and buildings.
  • real operating system — (operating system, abuse)   The sort the speaker is used to. People from the BSDophilic academic community are likely to issue comments like "System V? Why don't you use a *real* operating system?", people from the commercial/industrial Unix sector are known to complain "BSD? Why don't you use a *real* operating system?", and people from IBM object "Unix? Why don't you use a *real* operating system?" See holy wars, religious issues, proprietary, Get a real computer!.
  • reckless endangerment — a crime whereby a person behaves in a reckless manner which creates a substantial risk of serious physical injury to another person
  • reconnaissance flight — a flight made by an aircraft in order to obtain military information about a particular place
  • reconnaissance patrol — a patrol made by soldiers in order to obtain military information about a particular place
  • reduced circumstances — If you say that someone is living in reduced circumstances, you mean that they do not have as much money as they used to have.
  • registration document — a document giving identification details of a motor vehicle, including its manufacturer, date of registration, engine and chassis numbers, and owner's name
  • relaxation oscillator — a nonsinusoidal oscillator, the timing of which is controlled by the charge and discharge time constants of resistance and capacitance components
  • repatriation expenses — Repatriation expenses are the costs involved in transporting a claimant or their body back to their own country after they have been injured or killed in a foreign country.
  • requirements analysis — (project)   The process of reviewing a business's processes to determine the business needs and functional requirements that a system must meet.
  • residual unemployment — the unemployment that remains in periods of full employment, as a result of those mentally, physically, or emotionally unfit to work
  • rest on one's laurels — Also called bay, sweet bay. a small European evergreen tree, Laurus nobilis, of the laurel family, having dark, glossy green leaves. Compare laurel family.
  • reverse polish syntax — postfix notation
  • reverse transcriptase — a retrovirus enzyme that synthesizes DNA from viral RNA, the reverse of the usual DNA-to-RNA replication: used in genetic engineering to clone genes from RNA strands.
  • ring-around-the-rosey — a children's game in which the players sing while going around in a circle and squat when the lyrics “all fall down” are sung.
  • rocky mountain oyster — mountain oyster.
  • rolling in the aisles — (of an audience) overcome with laughter
  • rutherford scattering — the scattering of an alpha particle through a large angle with respect to the original direction of motion of the particle, caused by an atom (Rutherford atom) with most of the mass and all of the positive electric charge concentrated at a center or nucleus.
  • s-k reduction machine — An abstract machine defined by Professor David Turner to evaluate combinator expressions represented as binary graphs. Named after the two basic combinators, S and K.
  • saint lawrence seaway — a series of channels, locks, and canals between Montreal and the mouth of Lake Ontario, a distance of 182 miles (293 km), enabling most deep-draft vessels to travel from the Atlantic Ocean, up the St. Lawrence River, to all the Great Lakes ports: developed jointly by the U.S. and Canada.
  • saint martin's summer — mild, warm weather similar to Indian summer, occurring in November.
  • saint-maur-des-fosses — a town in N central France, near Paris, on the Marne River.
  • salam-weinberg theory — the electroweak theory.
  • san gabriel mountains — a mountain range in S California, N of Los Angeles. Highest peak, San Antonio Peak, 10,080 feet (3072 meters).
  • sanitation department — the department of local government responsible for collecting and disposing of refuse
  • santa cruz water lily — a South American aquatic plant, Victoria cruziana, of the water lily family, having floating leaves from 2–5 feet (0.6–1.5 meters) and deep pink or red flowers.
  • sao tome and principe — Democratic Republic of, a republic in W Africa, comprising the islands of São Tomé and Príncipe, in the Gulf of Guinea, N of the equator: a former overseas province of Portugal; gained independence in 1975. 372 sq. mi. (964 sq. km). Capital: São Tomé.
  • saponification number — the number of milligrams of potassium hydroxide required to saponify one gram of a given ester, especially a glyceride.
  • satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
  • scarce as hen's teeth — extremely rare
  • scarlet monkey flower — any of various plants belonging to the genus Mimulus, of the figwort family, as M. cardinalis (scarlet monkey flower) having spotted flowers that resemble a face.
  • scarlet runner (bean) — a climbing bean plant (Phaseolus coccineus) of tropical America, having pods with large, edible, red-and-black seeds and usually having scarlet flowers: often grown in cold climates as an ornamental
  • schlieren photography — a type of photography which records schlieren
  • scintillation counter — a device for detecting and measuring radioactivity, having a crystal scintillator, a photoelectric cell sensitive to the light from scintillations, and an amplifier.
  • secondary containment — Secondary containment is a system for dealing with hazardous spills.
  • sedimentary sequences — Sedimentary sequences are layers of rock which are derived from weathered rocks, biogenic (= of living organisms) activity, or precipitation from solution.
  • seeing/hearing things — If you say that someone is seeing or hearing things, you mean that they believe they are seeing or hearing something that is not really there.
  • self-characterization — portrayal; description: the actor's characterization of a politician.
  • semantic differential — a technique for measuring the connotative meaning of concepts by having an individual rate each concept on a series of graduated scales, each scale defined by a pair of polar adjectives, as good–bad or strong–weak.
  • sequoia national park — a national park in central California: giant sequoia trees. 604 sq. mi. (1565 sq. km).
  • serbia and montenegro — a former country in SE Europe, consisting of the republics of Serbia and Montenegro; replaced the Federal Republic of Yugoslavia in 2003, and dissolved in 2006 following Montenegro’s decision to secede
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