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15-letter words containing s, m, i, r

  • noninstrumental — serving or acting as an instrument or means; useful; helpful.
  • nothingarianism — Beliefs and practices of a nothingarian.
  • nottinghamshire — a county in central England. 854 sq. mi. (2210 sq. km).
  • 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.
  • objective prism — a large prism placed in front of the objective lens or mirror of a telescope, allowing the simultaneous acquisition of the spectra of many stars.
  • officer of arms — an officer with the duties of a herald, especially one charged with the devising, granting, or confirming of armorial bearings.
  • oligohydramnios — (medicine) A deficit of amniotic fluid in the amniotic sac, causing distinctive deformations of the foetus.
  • oligomerisation — Alternative spelling of oligomerization.
  • oneirocriticism — the art of interpreting dreams.
  • operations room — a room from which all the operations of a military, police, or other disciplined activity are controlled
  • opposite number — counterpart; equivalent: New members with an interest in folk art will find their opposite numbers in the association's directory.
  • opposite prompt — the offstage area to the right as one faces the audience. Abbreviation: O.P.
  • 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).
  • ordinary seaman — a seaman insufficiently skilled to be classified as an able-bodied seaman. Abbreviation: O.D., O.S., o.s.
  • organomagnesium — pertaining to or noting an organic compound, especially an organic halide, containing magnesium linked to carbon.
  • 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.
  • over-estimation — to estimate at too high a value, amount, rate, or the like: Don't overestimate the car's trade-in value.
  • overconsumption — the act of consuming, as by use, decay, or destruction.
  • overemphasizing — Present participle of overemphasize.
  • overpessimistic — excessively pessimistic or negative in outlook
  • 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)
  • pairs champions — competitors in or winners of a pairs championship
  • pan-americanism — the idea or advocacy of a political alliance or union of all the countries of North, Central, and South America.
  • panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
  • pantopragmatics — universal intervention in the affairs of others
  • parasympathetic — pertaining to that part of the autonomic nervous system consisting of nerves and ganglia that arise from the cranial and sacral regions and function in opposition to the sympathetic system, as in inhibiting heartbeat or contracting the pupil of the eye.
  • parish magazine — a magazine containing news and articles of interest to the people of a particular parish church or the local area
  • pars intermedia — a small, somewhat cherry-shaped double structure attached by a stalk to the base of the brain and constituting the master endocrine gland affecting all hormonal functions in the body, consisting of an anterior region ((anterior pituitary) or (adenohypophysis)) that develops embryonically from the roof of the mouth and that secretes growth hormone, LH, FSH, ACTH, TSH, and MSH, a posterior region ((posterior pituitary) or (neurohypophysis)) that develops from the back of the forebrain and that secretes the hormones vasopressin and oxytocin, and an intermediate part (pars intermedia) derived from the anterior region but joined to the posterior region, that secretes the hormone MSH in lower vertebrates.
  • pavement artist — sidewalk artist.
  • pedestrian mall — A pedestrian mall is the same as a pedestrian precinct.
  • pematangsiantar — a city on NE Sumatra, in Indonesia.
  • performing arts — dance, drama, music
  • periodic system — a system of classification of the elements based on the periodic law.
  • peruvian balsam — Peru balsam.
  • peter of amiens — c1050–1115, French monk: preacher of the first Crusade 1095–99.
  • phloem necrosis — a disease of the American elm caused by a mycoplasmalike organism, characterized by yellowing and necrosis of the foliage and yellowish-brown discoloration of the phloem.
  • photojournalism — journalism in which photography dominates written copy, as in certain magazines.
  • photomicroscope — a microscope having an illuminator and a camera mechanism for producing a photomicrograph.
  • phrasemongering — the act of coining memorable phrases
  • physical memory — (memory management)   The memory hardware (normally RAM) installed in a computer. The term is only used in contrast to virtual memory.
  • piero di cosimo — Piero di [pee-air-oh di;; Italian pye-raw dee] /piˈɛər oʊ dɪ;; Italian ˈpyɛ rɔ di/ (Show IPA), Piero di Cosimo.
  • pilgrim fathers — the Pilgrims (of Plymouth Colony)
  • pilgrimage site — a shrine or other sacred place that people travel to as an act of religious devotion
  • platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off the back and side fences.
  • plumbers-friend — Machinery. a pistonlike reciprocating part moving within the cylinder of a pump or hydraulic device.
  • poikilothermism — the state or quality of being cold-blooded, as fishes and reptiles.
  • police marksman — a police officer skilled in precision shooting, esp with a sniper rifle
  • pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
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