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

  • 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.
  • letter of request — a letter sent from a court to a foreign court requesting judicial assistance
  • letters of marque — a former government document authorizing an individual to make reprisals on the subjects of an enemy nation, specif. to arm a ship and capture enemy merchant ships and cargo
  • liberal education — an education based primarily on the liberal arts, emphasizing the development of intellectual abilities as opposed to the acquisition of professional skills.
  • librocubicularist — (rare) A person who reads in bed.
  • lighthouse keeper — a person who mans a lighthouse and makes sure that the light is working properly
  • liquid petrolatum — mineral oil.
  • liquid propellant — a rocket propellant in liquid form.
  • literary executor — a person entrusted with the publishable works and other papers of a deceased author.
  • lithium carbonate — a colorless crystalline compound, Li 2 CO 3 , slightly soluble in water: used in ceramic and porcelain glazes, pharmaceuticals, and luminescent paints.
  • lithium hydroxide — a white, crystalline, water-soluble compound, LiOH, used to absorb carbon dioxide, especially in spacesuits.
  • little blue heron — a small heron, Egretta caerulea, of the warmer parts of the Western Hemisphere, having bluish-gray plumage.
  • loco supra citato — l.s.c.
  • loggerhead turtle — a sea turtle, Caretta caretta, having a large head: now greatly reduced in number.
  • louisiana tanager — western tanager.
  • low-hanging fruit — the fruit that grows low on a tree and is therefore easy to reach
  • lumpenproletariat — the lowest level of the proletariat comprising unskilled workers, vagrants, and criminals and characterized by a lack of class identification and solidarity.
  • 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.
  • macroinstructions — Plural form of macroinstruction.
  • man enough to/for — If you say that a man is man enough to do something, you mean that he has the necessary courage or ability to do it.
  • management course — a course provided by an educational establishment such as a university, which teaches skills concerning the management of a company, business, etc
  • manufactured home — a prefabricated house, assembled in modular sections.
  • margaret of anjou — 1430–82, queen of Henry VI of England.
  • 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.
  • mercury barometer — a barometer in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column, the height of the column varying with atmospheric pressure.
  • messier catalogue — a catalogue of 103 nonstellar objects, such as nebulae and galaxies, prepared in 1781–86. An object is referred to by its number in this catalogue, for example the Andromeda Galaxy is referred to as M31
  • metallofullerenes — Plural form of metallofullerene.
  • methylidyne group — the trivalent group ≡CH.
  • microconstituents — a microscopically small constituent of a metal or alloy.
  • microencapsulated — Encapsulated using microencapsulation.
  • microevolutionary — Of or pertaining to microevolution.
  • microinstructions — Plural form of microinstruction.
  • micromanipulation — the technique of performing mechanical operations under high magnification through the use of specialized tools.
  • micromanipulators — Plural form of micromanipulator.
  • microminiaturized — Simple past tense and past participle of microminiaturize.
  • microreproduction — a photographic image too small to be read by the unaided eye.
  • mill construction — heavy, fire-resistant timber construction within masonry walls, all vertical communication being within masonry towers provided with fire doors.
  • milton work count — a system of hand valuation in which aces count 4, kings 3, queens 2, and jacks 1
  • 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
  • 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.
  • monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
  • money-market fund — a mutual fund that invests in the money market.
  • montagu's harrier — a brownish European bird of prey, Circus pygargus, with long narrow wings and a long tail: family Accipitridae (hawks, harriers, etc)
  • more than usually — You use more than usually to show that something shows even more of a particular quality than it normally does.
  • motion of censure — a motion by opposition parties criticizing the government
  • 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)
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