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17-letter words containing o, u, t, d, e

  • least upper bound — an upper bound that is less than or equal to all the upper bounds of a particular set. 3 is the least upper bound of the set consisting of 1, 2, 3. Abbr.: lub.
  • legendre equation — a differential equation of the form (1− x 2) d2y/dx2 − 2 xdy/dx + a (a + 1) y = 0, where a is an arbitrary constant.
  • liberal education — an education based primarily on the liberal arts, emphasizing the development of intellectual abilities as opposed to the acquisition of professional skills.
  • line of induction — (formerly) a line of force in a magnetic field.
  • line of longitude — an imaginary line on a globe, map, etc, indicating longitude
  • liquid petrolatum — mineral oil.
  • liquid propellant — a rocket propellant in liquid form.
  • lithium hydroxide — a white, crystalline, water-soluble compound, LiOH, used to absorb carbon dioxide, especially in spacesuits.
  • loggerhead turtle — a sea turtle, Caretta caretta, having a large head: now greatly reduced in number.
  • longitudinal wave — a wave in which the direction of displacement is the same as the direction of propagation, as a sound wave.
  • manufactured home — a prefabricated house, assembled in modular sections.
  • medium close shot — a shot taken fairly close to the subject, but not as close as a close-up
  • medulla oblongata — the lowest or hindmost part of the brain, continuous with the spinal cord.
  • memoised function — memo function
  • memoized function — memo function
  • methylidyne group — the trivalent group ≡CH.
  • microencapsulated — Encapsulated using microencapsulation.
  • microminiaturized — Simple past tense and past participle of microminiaturize.
  • microreproduction — a photographic image too small to be read by the unaided eye.
  • modest mussorgski — Modest Petrovich [moh-dest pi-troh-vich;; Russian muh-dyest pyi-traw-vyich] /moʊˈdɛst pɪˈtroʊ vɪtʃ;; Russian mʌˈdyɛst pyɪˈtrɔ vyɪtʃ/ (Show IPA), Moussorgsky, Modest Petrovich.
  • modulo arithmetic — modular arithmetic
  • money-market fund — a mutual fund that invests in the money market.
  • most well studied — marked by or suggestive of conscious effort; not spontaneous or natural; affected: studied simplicity.
  • 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.
  • multitudinousness — The state or condition of being multitudinous.
  • 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.
  • 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).
  • neurodegenerative — Resulting in or characterized by degeneration of the nervous system, especially the neurons in the brain.
  • 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.
  • nonproductiveness — The quality of being nonproductive.
  • nonunderstandable — Not understandable.
  • northern studfish — See under studfish.
  • not the full quid — mentally subnormal
  • not to be outdone — You use not to be outdone to introduce an action which someone takes in response to a previous action.
  • 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.
  • nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
  • number three wood — spoon (def 5).
  • nursery education — education provided at a school for young children, usually from three to five years old
  • odds-on favourite — a person, team, horse, etc that is regarded as the most likely to win a competition
  • on second thought — Often, second thoughts. reservation about a previous action, position, decision, judgment, or the like: He had second thoughts about his decision.
  • on the foundation — an endowment or legacy for the perpetual support of an institution such as a school or hospital
  • out in left field — Baseball. the area of the outfield to the left of center field, as viewed from home plate. the position of the player covering this area.
  • out of one's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
  • out of one's mind — (in a human or other conscious being) the element, part, substance, or process that reasons, thinks, feels, wills, perceives, judges, etc.: the processes of the human mind.
  • out of the window — dispensed with; disregarded
  • outside broadcast — An outside broadcast is a radio or television programme that is not recorded or filmed in a studio, but in another building or in the open air.
  • period-revolution — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
  • periodic function — a function of a real or complex variable that is periodic.
  • phumiphon aduldet — (Phumiphon Aduldet; Bhumibol Adulyadej) born 1927, king of Thailand since 1946.
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