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15-letter words containing r, e, q, u

  • norman conquest — the conquest of England by the Normans, under William the Conqueror, in 1066.
  • 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.
  • parti québécois — (in Canada) a political party in Quebec, formed in 1968 and originally advocating the separation of Quebec from the rest of the country
  • picturesqueness — visually charming or quaint, as if resembling or suitable for a painting: a picturesque fishing village.
  • pre-acquisition — the act of acquiring or gaining possession: the acquisition of real estate.
  • pre-delinquency — failure in or neglect of duty or obligation; dereliction; default: delinquency in payment of dues.
  • preacquaintance — prior acquaintance with a person or with information, the state of having been preacquainted
  • preequalization — preemphasis.
  • prerequirements — that which is required; a thing demanded or obligatory: One of the requirements of the job is accuracy.
  • probit equation — A probit equation is used to quantify the relationship between the concentration of a dangerous material and its effect on people.
  • quadragenarians — Plural form of quadragenarian.
  • quadric surface — a three-dimensional surface whose equation is a quadratic equation.
  • quadruple bucky — Obsolete. 1. On an MIT space-cadet keyboard, use of all four of the shifting keys (control, meta, hyper, and super) while typing a character key. 2. On a Stanford or MIT keyboard in raw mode, use of four shift keys while typing a fifth character, where the four shift keys are the control and meta keys on *both* sides of the keyboard. This was very difficult to do! One accepted technique was to press the left-control and left-meta keys with your left hand, the right-control and right-meta keys with your right hand, and the fifth key with your nose. Quadruple-bucky combinations were very seldom used in practice, because when one invented a new command one usually assigned it to some character that was easier to type. If you want to imply that a program has ridiculously many commands or features, you can say something like: "Oh, the command that makes it spin the tapes while whistling Beethoven's Fifth Symphony is quadruple-bucky-cokebottle." See double bucky, bucky bits, cokebottle.
  • quantity theory — a theory stating that the general price level varies directly with the quantity of money in circulation and the velocity with which it is circulated, and inversely with the volume of production expressed by the total number of money transactions
  • quarantine flag — a yellow flag, designating the letter Q in the International Code of Signals: flown by itself to signify that a ship has no disease on board and requests a pratique, or flown with another flag to signify that there is disease on board ship.
  • quarrelsomeness — The quality of being quarrelsome; an argumentative nature. (from 17th c.).
  • quarter binding — a style of bookbinding in which the spine is leather and the sides are cloth or paper.
  • quarter blanket — a horse blanket, usually placed under a saddle or harness and extending to the horse's tail.
  • quarter century — a period of twenty five years
  • quarter pounder — A quarter pounder is a hamburger that weighs four ounces before it is cooked. Four ounces is a quarter of a pound.
  • quarter section — (in surveying and homesteading) a square tract of land, half a mile on each side, thus containing ¼ sq. mi. or 160 acres. Abbreviation: q.s.
  • quarterfinalist — a participant in a quarterfinal contest.
  • quartermistress — the female equivalent of a quartermaster
  • quartz movement — an extremely accurate electronic movement utilizing the natural frequency of vibrations of a quartz crystal to regulate the operation of the timepiece (quartz clock or quartz watch)
  • quasi-permanent — existing perpetually; everlasting, especially without significant change.
  • quasi-religious — of, relating to, or concerned with religion: a religious holiday.
  • quasi-sovereign — a monarch; a king, queen, or other supreme ruler.
  • quasi-spherical — having the form of a sphere; globular.
  • quasi-universal — of, relating to, or characteristic of all or the whole: universal experience.
  • quatercentenary — a 400th aniversary or its celebration.
  • queen's pattern — a pattern of ceramic decoration consisting of bands of swirling radial lines, white on blue alternating with red on white.
  • queen's proctor — a British judiciary officer who may intervene in probate, nullity, or divorce actions when collusion, suppression of evidence, or other irregularities are alleged.
  • query expansion — (information science)   Adding search terms to a user's search. Query expansion is the process of a search engine adding search terms to a user's weighted search. The intent is to improve precision and/or recall. The additional terms may be taken from a thesaurus. For example a search for "car" may be expanded to: car cars auto autos automobile automobiles. The additional terms may also be taken from documents that the user has specified as being relevant; this is the basis for the "more like this" feature of some search engines. The extra terms can have positive or negative weights.
  • question master — quizmaster.
  • question period — a period of time set aside each day for members of parliament to question government ministers
  • quiche lorraine — a quiche containing bits of bacon or ham and often cheese.
  • quickie divorce — the formal ending of a marriage by law, carried out in a faster manner than usual, esp online
  • quincentenaries — Plural form of quincentenary.
  • quinquagenarian — 50 years of age.
  • qurnet es sauda — a mountain in N Lebanon, in the Lebanon Mountains: highest point in Lebanon. 10,131 feet (3090 meters).
  • radio frequency — the frequency of the transmitting waves of a given radio message or broadcast.
  • requalification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
  • required course — an obligatory course for all students
  • secret mosquito — a high-pitched ringtone for a mobile phone, claimed by its distributors to be inaudible to most adults while remaining audible to children and teenagers
  • sesquicarbonate — a salt intermediate in composition between a carbonate and a bicarbonate or consisting of the two combined.
  • sesquicentenary — a hundred and fiftieth anniversary
  • siberian squill — a bulbous, Eurasian plant, Scilla siberica, of the lily family, having nodding, deep blue flowers.
  • silver quandong — an Australian tree, Elaeocarpus grandis: family Elaeocarpaceae
  • squadron leader — air-force officer
  • squeeze through — to press forcibly together; compress.
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