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17-letter words containing a, r, t, i

  • mischaracterizing — Present participle of mischaracterize.
  • misinterpretation — An instance of misinterpreting.
  • misorganization's — the act or process of organizing.
  • misrepresentation — to represent incorrectly, improperly, or falsely.
  • misrepresentative — to represent incorrectly, improperly, or falsely.
  • miss lonelyhearts — a novel (1933) by Nathanael West.
  • misunderstandable — Capable of being misunderstood.
  • misunderstandings — Plural form of misunderstanding.
  • mitochondrial dna — DNA found in mitochondria, which contains some structural genes and is generally inherited only through the female line
  • mitre corporation — (body)   A US federally funded R&D center, spun off in 1958 from the MIT Lincoln Laboratory (also an FFRDC). MITRE is a non-profit corporation chartered to do R&D in the public interest. MITRE were responsible for system engineering and implementation oversight of SAGE. MITRE does not stand for MIT Research and Engineering, though it could have.
  • modulo arithmetic — modular arithmetic
  • molecular orbital — Physics, Chemistry. a wave function describing the state of a single electron in an atom (atomic orbital) or in a molecule (molecular orbital) the electron in that state.
  • moment of inertia — the sum of the products of the mass and the square of the perpendicular distance to the axis of rotation of each particle in a body rotating about an axis.
  • monochromatically — of or having one color.
  • montagu's harrier — a brownish European bird of prey, Circus pygargus, with long narrow wings and a long tail: family Accipitridae (hawks, harriers, etc)
  • mother of vinegar — mother2 .
  • 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)
  • 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.
  • multidisciplinary — composed of or combining several usually separate branches of learning or fields of expertise: a multidisciplinary study of the 18th century.
  • multigenerational — of or relating to several generations, as of a family, or society: a multigenerational novel covering 300 years.
  • multilateral well — A multilateral well is a well that has more than one branch radiating from the main wellbore.
  • multimillionaires — Plural form of multimillionaire.
  • multiple integral — an integral in which the integrand involves a function of more than one variable and which requires for evaluation repetition of the integration process.
  • multiple-unit car — a self-propelled railroad car, generally used in commuting service, equipped so that a train of such cars can be operated from any one of them.
  • munitions factory — a factory where munitions are made
  • musical interlude — an interval in a play, event or occasion during which music is played
  • myasthenia gravis — a disease of impaired transmission of motor nerve impulses, characterized by episodic muscle weakness and easy fatigability, especially of the face, tongue, neck, and respiratory muscles: caused by autoimmune destruction of acetylcholine receptors. Abbreviation: MG.
  • naked singularity — an infinitely dense point mass without a surrounding black hole
  • nakhon ratchasima — a city in central Thailand.
  • nasolacrimal duct — a membranous canal extending from the lacrimal sac to the nasal cavity, through which tears are discharged into the nose.
  • nathaniel currier — Nathaniel, 1813–88, U.S. lithographer. Compare Ives (def 4).
  • 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
  • native frangipani — an Australian evergreen tree, Hymenosporum flavum, with large fragrant yellow flowers: family Pittosporaceae
  • 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 hat trick — three goals scored in succession by one player in one game or one period.
  • natural logarithm — a logarithm having e as a base. Symbol: ln.
  • 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.
  • naval air station — military airbase for the navy
  • negative particle — a word that indicates negativity, for example 'not' in English or 'ne pas' in French
  • 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
  • negative transfer — the obstruction of or interference with new learning because of previous learning, as when a U.S. tourist in England learns to drive on the left side of the road.
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