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15-letter words containing o, n, i, u, m

  • nonmatriculated — not matriculated, not enrolled in an institution, esp a college or university
  • nonmucilaginous — Not mucilaginous.
  • nonsimultaneous — existing, occurring, or operating at the same time; concurrent: simultaneous movements; simultaneous translation.
  • numismatologist — One versed in numismatology.
  • nyquist theorem — (communications)   A theorem stating that when an analogue waveform is digitised, only the frequencies in the waveform below half the sampling frequency will be recorded. In order to reconstruct (interpolate) a signal from a sequence of samples, sufficient samples must be recorded to capture the peaks and troughs of the original waveform. If a waveform is sampled at less than twice its frequency the reconstructed waveform will effectively contribute only noise. This phenomenon is called "aliasing" (the high frequencies are "under an alias"). This is why the best digital audio is sampled at 44,000 Hz - twice the average upper limit of human hearing. The Nyquist Theorem is not specific to digitised signals (represented by discrete amplitude levels) but applies to any sampled signal (represented by discrete time values), not just sound.
  • obituary column — the division of a publication reserved for obituaries
  • odd permutation — a permutation of a set of n elements, x 1 , x 2 , …, xn, which permutes the product of all differences of the form (xi – xj), where i is less than j, into the negative of the product.
  • omnibus edition — a television or radio programme consisting of two or more programmes broadcast earlier in the week
  • omnium gatherum — a miscellaneous collection.
  • omnium-gatherum — a miscellaneous collection.
  • open-cut mining — mining by excavating from the surface
  • opposite number — counterpart; equivalent: New members with an interest in folk art will find their opposite numbers in the association's directory.
  • optical pumping — a method for increasing the number of atoms or molecules occupying higher energy levels by irradiating them with light of the proper frequencies to raise them to those levels.
  • opus anglicanum — fine embroidery, esp of church vestments, produced in England c.1200–c.1350; characterized by the rich materials used, esp silver gilt thread
  • ordinal numbers — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
  • organomagnesium — pertaining to or noting an organic compound, especially an organic halide, containing magnesium linked to carbon.
  • organomercurial — an organic compound containing mercury
  • outdoorsmanship — a person devoted to outdoor sports and recreational activities, as hiking, hunting, fishing, or camping.
  • over-enthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
  • overcommunicate — to communicate excessively
  • overconsumption — the act of consuming, as by use, decay, or destruction.
  • overstimulation — to rouse to action or effort, as by encouragement or pressure; spur on; incite: to stimulate his interest in mathematics.
  • ozark mountains — an eroded plateau in S Missouri, N Arkansas, and NE Oklahoma. Area: about 130 000 sq km (50 000 sq miles)
  • pentium ii xeon — (processor)   The successor to Intel Corporation's Pentium II processor. The Xeon has the same P6 core as existing Pentium Pro/Pentium II units, but it supports a 100 MHz system bus and offers as much as 2 MB of level 2 cache.
  • phantom circuit — a circuit derived from two suitably arranged pairs of wires, each pair being a circuit (side circuit) and also acting as one half of an additional derived circuit, the entire system providing the capabilities of three circuits while requiring wires for only two.
  • photojournalism — journalism in which photography dominates written copy, as in certain magazines.
  • platinum blonde — a person, especially a girl or woman, whose hair is of a pale blond or silver color, usually colored artificially by bleaching or dyeing.
  • pleuropneumonia — pleurisy conjoined with pneumonia.
  • plumbaginaceous — belonging to the Plumbaginaceae, the leadwort family of plants.
  • positive column — the luminous region between the Faraday dark space and the anode glow in a vacuum tube, occurring when the pressure is low.
  • poststimulation — occurring after stimulation
  • poultry farming — breeding and keeping fowl
  • pre-consumption — the act of consuming, as by use, decay, or destruction.
  • prism binocular — Usually, prism binoculars. Optics. binocular (def 1).
  • proscenium arch — the arch separating the stage from the auditorium
  • protonephridium — a tubular, excretory structure in certain invertebrates, as flatworms, rotifers, and some larvae, usually ending internally in flame cells and having an external pore
  • pseudo-bohemian — living a wandering or vagabond life, as a Gypsy.
  • pseudo-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
  • pulmobranchiate — possessing a pulmobranch
  • pusillanimously — lacking courage or resolution; cowardly; faint-hearted; timid.
  • question master — quizmaster.
  • quezon y molina — Manuel Luis [mah-nwel lwees] /mɑˈnwɛl lwis/ (Show IPA), 1878–1944, Philippine political leader; 1st president of the Philippine Commonwealth 1933–44.
  • quinone diimine — a colorless, crystalline solid, C 6 H 6 N 2 , the parent of the indamine dyes.
  • quite something — a remarkable or noteworthy thing or person
  • quotation marks — one of the marks used to indicate the beginning and end of a quotation, in English usually shown as “ at the beginning and ” at the end, or, for a quotation within a quotation, of single marks of this kind, as “He said, ‘I will go.’ ” Frequently, especially in Great Britain, single marks are used instead of double, the latter being then used for a quotation within a quotation.
  • radioimmunology — the study of biological substances or processes with the aid of antigens or antibodies labeled with a radioactive isotope.
  • rational number — a number that can be expressed exactly by a ratio of two integers.
  • redocumentation — The creation or revision of a semantically equivalent representation within the same relative abstraction level. The resulting forms of representation are usually considered alternate views intended for a human audience.
  • regulation time — the standard duration of a sports game, before the addition of any extra time to determine a winner, etc
  • residual income — the remaining income (of a business or person) after necessary debts, expenses, etc, have been paid
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