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

  • hot-and-sour soup — a spicy Chinese soup made with pork, chicken, beans, vinegar, etc., served hot
  • hydrotherapeutics — hydrotherapy.
  • in the background — behind the focus of attention
  • incubation period — the period between infection and the appearance of signs of a disease.
  • indecent exposure — the intentional exposure of one's body's privates in a manner that gives offense against accepted or prescribed behavior.
  • indirect question — An indirect question is the same as a reported question.
  • induction furnace — a type of electric furnace used for melting a charge of scrap by the heat produced by its own electrical resistance.
  • industrial action — job action.
  • industrial school — a school for teaching one or more branches of industry; trade or vocational school.
  • industrialisation — Alternative spelling of industrialization.
  • industrialization — the large-scale introduction of manufacturing, advanced technical enterprises, and other productive economic activity into an area, society, country, etc.
  • integrated course — a course that covers several subjects
  • intercommunicated — Simple past tense and past participle of intercommunicate.
  • irreproducibility — The quality of not being reproducible.
  • italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
  • juazeiro do norte — a city in Bahia state, NE Brazil.
  • judgment of paris — the decision by Paris to award Aphrodite the golden apple of discord competed for by Aphrodite, Athena, and Hera.
  • kastor and pollux — Castor and Pollux.
  • label edge router — (networking)   (LER) A device that sits at the edge of an MPLS domain, that uses routing information to assign labels to datagrams and then forwards them into the MPLS domain.
  • ladder tournament — a tournament in which the entrants are listed by name and rank, advancement being by means of challenging and defeating an entrant ranked one or two places higher.
  • lambdoidal suture — the lambda-shaped seam or line of joining between the occipital and two parietal bones at the back part of the skull.
  • le morte d'arthur — a compilation and translation of French Arthurian romances by Sir Thomas Malory, printed by Caxton in 1485.
  • 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.
  • 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.
  • manufactured home — a prefabricated house, assembled in modular sections.
  • 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.
  • 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.
  • 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.
  • nasolacrimal duct — a membranous canal extending from the lacrimal sac to the nasal cavity, through which tears are discharged into the nose.
  • 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.
  • non-subordination — the act of placing in a lower rank or position: The refusal to allow women to be educated was part of society's subordination of women to men.
  • nonproductiveness — The quality of being nonproductive.
  • nonunderstandable — Not understandable.
  • northern studfish — See under studfish.
  • 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
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