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17-letter words containing l, u, n, a, t, i

  • macro-linguistics — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
  • macroevolutionary — Pertaining to, or as a result of macroevolution.
  • magnesium sulfate — a white, water-soluble salt, MgSO 4 , used chiefly in medicine and in the processing of leather and textiles.
  • manitoulin island — an island in N Lake Huron belonging to Canada. 80 miles (130 km) long.
  • manual typewriter — a keyboard machine, operated entirely by hand, for writing mechanically in characters resembling print
  • manufacturability — The condition of being manufacturable.
  • maxwell equations — equations developed by James Clerk Maxwell (1831–79) upon which classical electromagnetic theory is based
  • mechanical tissue — a plant tissue made up of hard, thick-walled cells that add strength to an organ
  • mensural notation — a system of musical notation of the 13th to the late 16th centuries, marked by the use of note symbols such as the longa and brevis, the absence of bar lines and ties, and the equivalence in value of one note to either two or three of the next smaller degree.
  • microencapsulated — Encapsulated using microencapsulation.
  • microevolutionary — Of or pertaining to microevolution.
  • micromanipulation — the technique of performing mechanical operations under high magnification through the use of specialized tools.
  • micromanipulators — Plural form of micromanipulator.
  • minimal automaton — (theory)   An automaton possessing with redundant states.
  • misunderstandable — Capable of being misunderstood.
  • monumentalization — to establish an enduring memorial or record of.
  • mounted policeman — policemen who patrol on horseback
  • 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.
  • multi-nationalism — a large corporation with operations and subsidiaries in several countries.
  • 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.
  • 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.
  • multipotentiality — The capacity to develop in multiple ways; the state of having multiple potentialities.
  • muscae volitantes — floater (def 6).
  • musical interlude — an interval in a play, event or occasion during which music is played
  • mutual inductance — the ratio of the electromotive force in one of two circuits to the rate of change of current in the other circuit.
  • naked singularity — an infinitely dense point mass without a surrounding black hole
  • 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 monument — a monument, as a historic site or geographical area, owned and maintained in the public interest by the federal government.
  • 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 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.
  • nautical twilight — the period of time during which the sun is 12° below the horizon
  • neo-malthusianism — a view or doctrine advocating population control, especially by contraception.
  • neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
  • newfoundland time — a form of civil time observed on the island of Newfoundland, one and one-half hours later than Eastern time and a half hour later than Atlantic time.
  • ngaliema mountain — Mount, a mountain with two summits, in central Africa, between Uganda and the Democratic Republic of the Congo: highest peak in the Ruwenzori group. 16,790 feet (5119 meters).
  • non-institutional — of, relating to, or established by institution.
  • non-instructional — the act or practice of instructing or teaching; education.
  • nonconstitutional — of or relating to the constitution of a state, organization, etc.
  • nuclear chemistry — the branch of chemistry concerned with nuclear reactions
  • nuclear radiation — Physics. radiation in the form of elementary particles emitted by an atomic nucleus, as alpha rays or gamma rays, produced by decay of radioactive substances or by nuclear fission.
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