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15-letter words containing t, u, r, n, h, e

  • 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.
  • okhotsk current — a cold ocean current flowing SW from the Bering Sea, E of the Kurile Islands, along the E coast of Japan where it meets the Japan Current.
  • omnium gatherum — a miscellaneous collection.
  • omnium-gatherum — a miscellaneous collection.
  • one's last hour — the time of one's death
  • open your mouth — If you say that someone does not open their mouth, you are emphasizing that they never say anything at all.
  • ortho-toluidine — Chemistry. a light-yellow, very slightly water-soluble liquid, C 7 H 9 N, the ortho isomer of toluidine: used in the manufacture of dyes, saccharin, and other organic compounds, and in textile printing processes.
  • over-enthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
  • penshurst place — a 14th-century mansion near Tunbridge Wells in Kent: birthplace of Sir Philip Sidney; gardens laid out from 1560
  • phenylketonuria — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
  • phenylketonuric — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
  • pinochet ugarte — Augusto [ou-goos-taw] /aʊˈgus tɔ/ (Show IPA), 1915–2006, Chilean army general and political leader: president 1973–90.
  • pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
  • planter's punch — a punch made with rum, lime juice, sugar, and water or soda.
  • pneumatotherapy — the use of compressed or rarefied air in treating disease.
  • 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
  • pseudonephritis — a condition, thought to be benign, in which microscopic amounts of blood and protein are present in the urine, occurring commonly among athletes after strenuous exercise.
  • pulmobranchiate — possessing a pulmobranch
  • put on the ritz — ostentatious or pretentious display.
  • 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
  • reauthorization — the act or process of reauthorizing something
  • rhesus negative — relating to blood not containing Rhesus antigen D
  • rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
  • roche moutonnee — a rounded, glacially eroded rock outcrop, usually one of a group, resembling a sheep's back.
  • rocket launcher — a tube attached to a weapon for the launching of rockets.
  • rough breathing — the symbol (ʿ) used in the writing of Greek to indicate aspiration of the initial vowel or of the ρ (rho) over which it is placed.
  • round character — a character in fiction whose personality, background, motives, and other features are fully delineated by the author.
  • round the twist — mad; eccentric
  • round whitefish — a whitefish, Prosopium cylindraceum, found in northern North America and Siberia, having silvery sides and a dark bronze back.
  • round-the-clock — around-the-clock.
  • run of the mill — merely average; commonplace; mediocre: just a plain, run-of-the-mill house; a run-of-the-mill performance.
  • run the gantlet — to be punished by means of the gantlet
  • 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.
  • russian thistle — a saltwort, Salsola kali tenuifolia, that has narrow, spinelike leaves, a troublesome weed in the central and western U.S.
  • sarcenchymatous — relating to the connective tissue of some sponges
  • scatter cushion — Scatter cushions are small cushions for use on sofas and chairs.
  • shoulder-length — Shoulder-length hair is long enough to reach your shoulders.
  • sojourner truth — Sojourner [soh-jur-ner,, soh-jur-ner] /ˈsoʊ dʒɜr nər,, soʊˈdʒɜr nər/ (Show IPA), (Isabella Van Wagener) 1797?–1883, U.S. abolitionist, orator, and women's-rights advocate, born a slave.
  • southern blight — a disease of peanuts, tomatoes, and other plants, caused by a fungus, Sclerotium rolfsii, affecting the roots and resulting in rapid wilting.
  • southern gothic — a literary genre depicting life in the southern US and featuring grotesque themes and imagery
  • southern lights — aurora australis.
  • southern paiute — See under Paiute (def 2).
  • student teacher — a student who is studying to be a teacher and who, as part of the training, observes classroom instruction or does closely supervised teaching in an elementary or secondary school.
  • subtrochanteric — Anatomy. either of two knobs at the top of the femur, the greater on the outside and the lesser on the inside, serving for the attachment of muscles between the thigh and pelvis.
  • superheterodyne — denoting, pertaining to, or using a method of processing received radio or video signals in which an incoming modulated wave is changed by the heterodyne process into a lower-frequency wave and then subjected to amplification and subsequent detection.
  • take one's hour — to do something in a leisurely manner
  • technostructure — the group or class of technically skilled administrators, scientists, and engineers who manage and influence business, the economy, and government affairs.
  • tetrahydrofuran — a clear liquid, C 4 H 8 O, soluble in water and organic solvents, used as a solvent for resins, in polymerizations and as a chemical intermediate.
  • the crucifixion — the crucifying of Christ at Calvary, regarded by Christians as the culminating redemptive act of his ministry
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