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17-letter words containing n, o, r

  • month after month — every month
  • moral re-armament — a worldwide movement initiated by Frank Buchman in 1938 as a successor to the Oxford Group, and maintaining that the practice of high morality in public and private life is the key to world betterment. Abbreviation: MRA.
  • more than usually — You use more than usually to show that something shows even more of a particular quality than it normally does.
  • morphic resonance — the idea that, through a telepathic effect or sympathetic vibration, an event or act can lead to similar events or acts in the future or an idea conceived in one mind can then arise in another
  • mother of vinegar — mother2 .
  • mother spleenwort — a fern, Asplenium bulbiferum, of tropical Africa and Australasia, the fronds often bearing bulbils that sprout into new plants while still attached, grown as an ornamental.
  • motion of censure — a motion by opposition parties criticizing the government
  • motorcycle engine — the engine of a motorcycle
  • motorcycle racing — sport: competing on motorcycles
  • motoring magazine — a magazine about cars
  • mount fairweather — a mountain in W North America, on the border between Alaska and British Columbia. Height: 4663 m (15 300 ft)
  • mount kirkpatrick — a mountain in Antarctica, in S Victoria Land in the Queen Alexandra Range. Height: 4528 m (14 856 ft)
  • mount robson park — a national park in the Rocky Mountains of E British Columbia, Canada.
  • multi-directional — extending or operating in several directions at the same time; functioning or going in more than one direction: a multidirectional stereo speaker system.
  • multi-millionaire — a person who possesses a fortune that amounts to many millions of dollars, francs, etc.
  • multicollinearity — (statistics) A phenomenon in which two or more predictor variables in a multiple regression model are highly correlated, so that the coefficient estimates may change erratically in response to small changes in the model or data.
  • multigenerational — of or relating to several generations, as of a family, or society: a multigenerational novel covering 300 years.
  • multimillionaires — Plural form of multimillionaire.
  • multiple cropping — the use of the same field for two or more crops, whether of the same or of different kinds, successively during a single year.
  • mundane astrology — the astrology of worldly events, in contrast to the astrology of the individual: used especially in interpretations and forecasts involving politics, the stock market, weather, and disasters.
  • munitions factory — a factory where munitions are made
  • nakhon ratchasima — a city in central Thailand.
  • narrow-shouldered — having shoulders which do not extend very far from the neck; not broad-shouldered
  • nasolacrimal duct — a membranous canal extending from the lacrimal sac to the nasal cavity, through which tears are discharged into the nose.
  • national cemetery — a cemetery, maintained by the U.S. government, for persons who have served honorably in the armed forces.
  • national heritage — country's cultural legacy
  • national seashore — an area of seacoast set aside and maintained by the U.S. government for purposes of recreation or wildlife study.
  • national security — defence of a country
  • natural deduction — (logic)   A set of rules expressing how valid proofs may be constructed in predicate logic. In the traditional notation, a horizontal line separates premises (above) from conclusions (below). Vertical ellipsis (dots) stand for a series of applications of the rules. "T" is the constant "true" and "F" is the constant "false" (sometimes written with a LaTeX \perp). "^" is the AND (conjunction) operator, "v" is the inclusive OR (disjunction) operator and "/" is NOT (negation or complement, normally written with a LaTeX \neg). P, Q, P1, P2, etc. stand for propositions such as "Socrates was a man". P[x] is a proposition possibly containing instances of the variable x, e.g. "x can fly". A proof (a sequence of applications of the rules) may be enclosed in a box. A boxed proof produces conclusions that are only valid given the assumptions made inside the box, however, the proof demonstrates certain relationships which are valid outside the box. For example, the box below labelled "Implication introduction" starts by assuming P, which need not be a true proposition so long as it can be used to derive Q. Truth introduction: - T (Truth is free). Binary AND introduction: ----------- | . | . | | . | . | | Q1 | Q2 | ----------- Q1 ^ Q2 (If we can derive both Q1 and Q2 then Q1^Q2 is true). N-ary AND introduction: ---------------- | . | .. | . | | . | .. | . | | Q1 | .. | Qn | ---------------- Q1^..^Qi^..^Qn Other n-ary rules follow the binary versions similarly. Quantified AND introduction: --------- | x . | | . | | Q[x] | --------- For all x . Q[x] (If we can prove Q for arbitrary x then Q is true for all x). Falsity elimination: F - Q (Falsity opens the floodgates). OR elimination: P1 v P2 ----------- | P1 | P2 | | . | . | | . | . | | Q | Q | ----------- Q (Given P1 v P2, if Q follows from both then Q is true). Exists elimination: Exists x . P[x] ----------- | x P[x] | | . | | . | | Q | ----------- Q (If Q follows from P[x] for arbitrary x and such an x exists then Q is true). OR introduction 1: P1 ------- P1 v P2 (If P1 is true then P1 OR anything is true). OR introduction 2: P2 ------- P1 v P2 (If P2 is true then anything OR P2 is true). Similar symmetries apply to ^ rules. Exists introduction: P[a] ------------- Exists x.P[x] (If P is true for "a" then it is true for all x). AND elimination 1: P1 ^ P2 ------- P1 (If P1 and P2 are true then P1 is true). For all elimination: For all x . P[x] ---------------- P[a] (If P is true for all x then it is true for "a"). For all implication introduction: ----------- | x P[x] | | . | | . | | Q[x] | ----------- For all x . P[x] -> Q[x] (If Q follows from P for arbitrary x then Q follows from P for all x). Implication introduction: ----- | P | | . | | . | | Q | ----- P -> Q (If Q follows from P then P implies Q). NOT introduction: ----- | P | | . | | . | | F | ----- / P (If falsity follows from P then P is false). NOT-NOT: //P --- P (If it is not the case that P is not true then P is true). For all implies exists: P[a] For all x . P[x] -> Q[x] ------------------------------- Q[a] (If P is true for given "a" and P implies Q for all x then Q is true for a). Implication elimination, modus ponens: P P -> Q ---------- Q (If P and P implies Q then Q). NOT elimination, contradiction: P /P ------ F (If P is true and P is not true then false is true).
  • natural harmonics — harmonics of a note produced on a stringed instrument by lightly touching an open or unstopped sounded string.
  • natural logarithm — a logarithm having e as a base. Symbol: ln.
  • natural resources — a naturally occurring source of wealth, as land or water.
  • natural selection — the process by which forms of life having traits that better enable them to adapt to specific environmental pressures, as predators, changes in climate, or competition for food or mates, will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.
  • natural-resources — a naturally occurring source of wealth, as land or water.
  • naval air station — military airbase for the navy
  • naval observatory — an astronomical observatory located in Washington, D.C., operated by the U.S. government, and responsible for the U.S. time service.
  • near-earth object — a comet or asteroid pushed by the gravitational attraction of nearby planets into an orbit that allows it to enter the earth's orbit and thereby pose a danger of collision. Abbreviation: NEO.
  • neath port talbot — a county borough in S Wales, created from part of West Glamorgan in 1996. Administrative centre: Port Talbot. Pop: 135 300 (2003 est). Area: 439 sq km (169 sq miles)
  • negative polarity — the grammatical character of a word or phrase, such as ever or any, that may normally be used only in a semantically or syntactically negative or interrogative context
  • neo-expressionism — an art movement, chiefly in painting, that developed in Germany, Italy, and the U.S. in the late 1970s, emphasized large heavy forms and thick impasto, and typically dealt with historical narrative in terms of symbolism, allegory, and myth.
  • neo-impressionism — the theory and practice of a group of post-impressionists of about the middle 1880s, characterized chiefly by a systematic juxtaposition of dots or points of pure color according to a concept of the optical mixture of hues.
  • nephelometrically — By means of nephelometry.
  • nervous breakdown — (not in technical use) any disabling mental disorder requiring treatment.
  • network marketing — a marketing strategy in which sales representatives of a company recruit other salespeople and earn commissions on their own sales and on the sales made by their team: Use your personal relationships to be successful in network marketing.
  • neurobiologically — In terms of or by means of neurobiology.
  • neurodegenerative — Resulting in or characterized by degeneration of the nervous system, especially the neurons in the brain.
  • neurofibromatosis — a dominantly inherited genetic disorder characterized by flat brown patches on the skin, neurofibromas of the skin and internal organs, and in some cases skeletal deformity.
  • neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
  • neuropharmacology — the branch of pharmacology concerned with the effects of drugs on the nervous system.
  • neurophysiologist — the branch of physiology dealing with the functions of the nervous system.
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