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16-letter words containing a, c, o, u, r, t

  • molecular weight — the average weight of a molecule of an element or compound measured in units once based on the weight of one hydrogen atom taken as the standard or on 1/16 (0.0625) the weight of an oxygen atom, but after 1961 based on 1/12 (0.083) the weight of the carbon-12 atom; the sum of the atomic weights of all the atoms in a molecule. Abbreviation: mol. wt.
  • mortgagee clause — a clause attached to a fire-insurance policy for protecting a mortgagee against loss or damage.
  • mossbauer effect — the phenomenon in which an atom in a crystal undergoes no recoil when emitting a gamma ray, giving all the emitted energy to the gamma ray, resulting in a sharply defined wavelength.
  • mount carmel man — an early human of Neanderthaloid type, known from skeletal remains from the late Pleistocene Epoch, c50,000–40,000 b.c., found in Palestine.
  • mountain climber — someone who climbs or walks up mountains
  • multidirectional — extending or operating in several directions at the same time; functioning or going in more than one direction: a multidirectional stereo speaker system.
  • multiple factors — polygene.
  • musical director — A musical director is the same as a music director.
  • mustard-coloured — of a brownish-yellow colour
  • mutual recursion — recursion
  • natural resource — a naturally occurring source of wealth, as land or water.
  • neuropsychiatric — Of or pertaining to neuropsychiatry; simultaneously neurological and psychiatric.
  • nitrous bacteria — bacteria that convert ammonia to nitrites in the soil
  • no-fault divorce — a divorce granted without anyone being found guilty of marital misconduct
  • non-bureaucratic — of, relating to, or characteristic of a bureaucrat or a bureaucracy; arbitrary and routine.
  • non-manufactured — the making of goods or wares by manual labor or by machinery, especially on a large scale: the manufacture of television sets.
  • non-naturalistic — imitating nature or the usual natural surroundings.
  • nonarchitectural — Not architectural.
  • nonmanufacturing — (economics) Outside of the manufacturing sector.
  • nuclear magneton — a unit of magnetic moment, used to measure proton spin and approximately equal to 1/1836 Bohr magneton.
  • nuclear reaction — reaction (def 8).
  • numbered account — a bank account whose owner is identified by a number for the purpose of preserving anonymity.
  • oak leaf cluster — a U.S. military decoration in the form of a small bronze twig bearing four oak leaves and three acorns, worn on the ribbon of another decoration for valor, wounds, or distinguished service to signify a second award of the same medal.
  • occupation layer — (on an archaeological site) a layer of remains left by a single culture, from which the culture can be dated or identified.
  • ocellated turkey — a wild turkey, Agriocharis ocellata, of Yucatán, Belize, and Guatemala, typically having green, blue, reddish-brown, and yellowish-brown plumage of a metallic luster and eyelike spots on the tail.
  • onboard computer — onboard a vehicle, ship, plane, train or spacecraft
  • opaque projector — a machine for projecting opaque objects, as books, on a screen, by means of reflected light.
  • optical computer — an experimental computer that uses photons rather than electrical impulses to process data a thousand times faster than with conventional integrated circuits.
  • out of character — the aggregate of features and traits that form the individual nature of some person or thing.
  • over-communicate — to impart knowledge of; make known: to communicate information; to communicate one's happiness.
  • over-cultivation — the act or art of cultivating.
  • over-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
  • overaccumulation — Accumulation of too much.
  • overcautiousness — the quality or state of being too cautious, wary, or careful
  • overenthusiastic — full of or characterized by enthusiasm; ardent: He seems very enthusiastic about his role in the play.
  • pacific sturgeon — a dark gray sturgeon, Acipenser transmontanus, inhabiting marine and fresh waters along the northwestern coast of North America, valued as a food and sport fish.
  • palmtop computer — a computer that has a small screen and compressed keyboard and is small enough to be held in the hand, often used as a personal organizer
  • paratuberculosis — Johne's disease.
  • partial function — A function which is not defined for all arguments of its input type. E.g. f(x) = 1/x if x /= 0. The opposite of a total function. In denotational semantics, a partial function f : D -> C may be represented as a total function ft : D' -> lift(C) where D' is a superset of D and ft x = f x if x in D ft x = bottom otherwise where lift(C) = C U bottom. Bottom (LaTeX \perp) denotes "undefined".
  • paterson's curse — a purple-flowered noxious plant, Echium plantagineum, a close relative of viper's bugloss, naturalized in Australia and NZ where its harmfulness to livestock has prompted attempts to limit its spread
  • perforated ulcer — an ulcer that bursts through the stomach wall and leaks food and gastric juices into the abdominal cavity
  • personality cult — deliberately cultivated adulation of a person, esp a political leader
  • photoautotrophic — any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon.
  • picture postcard — postcard (def 1).
  • pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
  • poitou-charentes — a region of W central France, on the Bay of Biscay: mainly low-lying
  • project guardian — (project, security)   A project which grew out of the ARPA support for Multics and the sale of Multics systems to the US Air Force. The USAF wanted a system that could be used to handle more than one security classification of data at a time. They contracted with Honeywell and MITRE Corporation to figure out how to do this. Project Guardian led to the creation of the Access Isolation Mechanism, the forerunner of the B2 labeling and star property support in Multics. The DoD Orange Book was influenced by the experience in building secure systems gained in Project Guardian.
  • propylthiouracil — a white crystalline compound, C 7 H 1 0 N 2 OS, that interferes with the synthesis of thyroid hormone by the thyroid gland: used in the treatment of hyperthyroidism.
  • prosecution case — the case brought against someone by a legal authority
  • proxima centauri — the nearest star to the sun at a distance of 4.3 light-years, part of the Alpha Centauri triple-star system located in the constellation Centaurus.
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