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15-letter words containing u, n, m, e, t, i

  • 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.
  • 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.
  • 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.
  • 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.
  • picture element — (graphics)   (pixel) The smallest resolvable rectangular area of an image, either on a screen or stored in memory. Each pixel in a monochrome image has its own brightness, from 0 for black to the maximum value (e.g. 255 for an eight-bit pixel) for white. In a colour image, each pixel has its own brightness and colour, usually represented as a triple of red, green and blue intensities (see RGB). Compare voxel.
  • picture-framing — the job of framing photos, paintings etc
  • 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.
  • pneumatic drill — a percussive power drill powered by compressed air
  • positive column — the luminous region between the Faraday dark space and the anode glow in a vacuum tube, occurring when the pressure is low.
  • pre-consumption — the act of consuming, as by use, decay, or destruction.
  • prerequirements — that which is required; a thing demanded or obligatory: One of the requirements of the job is accuracy.
  • 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-romantic — of, relating to, or of the nature of romance; characteristic or suggestive of the world of romance: a romantic adventure.
  • pullman kitchen — a kitchenette, often recessed into a wall and concealed by double doors or a screen.
  • pulmobranchiate — possessing a pulmobranch
  • quasi-permanent — existing perpetually; everlasting, especially without significant change.
  • question master — quizmaster.
  • quite something — a remarkable or noteworthy thing or person
  • ram-air turbine — a small air-driven turbine fitted to an aircraft to provide power in the event of a failure of the normal systems
  • rational number — a number that can be expressed exactly by a ratio of two integers.
  • redisbursements — the act or an instance of disbursing.
  • 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.
  • reed instrument — a wind instrument with a single or double reed, as a saxophone or an oboe.
  • regulation time — the standard duration of a sports game, before the addition of any extra time to determine a winner, etc
  • resurrectionism — the exhumation and stealing of dead bodies, especially for dissection.
  • retirement fund — A retirement fund is a special fund which people pay money into so that, when they retire from their job, they will receive money regularly as a pension.
  • rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
  • rime suffisante — full rhyme.
  • round-trip time — (RTT) A measure of the current delay on a network, found by timing a packet bounced off some remote host. This can be done with ping -s.
  • routeing domain — (networking)   (US "routing") A set of routers that exchange routeing information within an administrative domain.
  • rudimentariness — the state or quality of being rudimentary
  • rump parliament — the remnant of the Long Parliament established by the expulsion of the Presbyterian members in 1648, dismissed by force in 1653, and restored briefly in 1659–60.
  • rumpelstiltskin — a dwarf in a German folktale who spins flax into gold for a young woman to meet the demands of the prince she has married, on the condition that she give him her first child or else guess his name: she guesses his name and he vanishes or destroys himself in a rage.
  • run of the mill — merely average; commonplace; mediocre: just a plain, run-of-the-mill house; a run-of-the-mill performance.
  • run-of-the-mill — merely average; commonplace; mediocre: just a plain, run-of-the-mill house; a run-of-the-mill performance.
  • run-of-the-mine — of or relating to ore or coal that is crude, ungraded, etc.
  • run-time system — (programming)   (RTS, run-time support, run-time) Library code and processes which support software written in a particular language running on a particular platform. The RTS typically deals with details of the interface between the program and the operating system such as system calls, program start-up and termination, and memory management.
  • self fulfilment — the act or fact of fulfilling one's ambitions, desires, etc., through one's own efforts.
  • self-combustion — the act or process of burning.
  • self-fulfilment — the act or fact of fulfilling one's ambitions, desires, etc., through one's own efforts.
  • self-mutilation — to injure, disfigure, or make imperfect by removing or irreparably damaging parts: Vandals mutilated the painting.
  • self-punishment — the act of punishing.
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