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18-letter words containing r, e, t, h

  • rotten to the core — person: wicked
  • rub shoulders with — to mix with socially or associate with
  • rubbish collection — the collection of domestic refuse for disposal
  • run length limited — (storage)   (RLL) The most popular scheme for encoding data on magnetic disks. RLL packs up to 50% more data on a disk than MFM. Groups of bits are mapped to specific patterns of flux. The density of flux transitions is limited by the spatial resolution of the disk and frequency response of the head and electronics. However, transitions must be close enough to allow reliable clock recovery. RLL implementations vary according to the minimum and maximum allowed numbers of transition cells between transitions. For example, the most common variant today, RLL 1,7, can have a transition in every other cell and must have at least one transition every seven cells. The exact mapping from bits to transitions is essentially arbitrary. Other schemes include GCR, FM, Modified Frequency Modulation (MFM). See also: PRML.
  • runge-kutta method — a numerical method, involving successive approximations, used to solve differential equations.
  • saint john's bread — carob (def 2).
  • saint peter's fish — another name for tilapia, taken from a Bible story about Saint Peter catching a fish with a coin in its mouth
  • salem witch trials — 17th-century witchcraft case
  • saskatchewan party — (in Canada) a Saskatchewan political party formed by former members of the provincial Progressive Conservative and Liberal Parties
  • schengen agreement — an agreement, signed in 1985 at a meeting of European leaders near Schengen, Luxembourg, but not implemented until 1995, to gradually abolish border controls within Europe; it was supplemented in 1990 by the Schengen Convention; in 1999 the agreement was incorporated into European Union law. Twenty-six countries acceded by 2015; the UK is not a signatory
  • school certificate — (in England and Wales between 1917 and 1951 and currently in New Zealand) a certificate awarded to school pupils who pass a public examination: the equivalent of GCSE
  • schwarz inequality — Also called Cauchy's inequality. the theorem that the inner product of two vectors is less than or equal to the product of the magnitudes of the vectors.
  • scottish deerhound — one of a Scottish breed of large, tall hunting dogs having a medium-length, wiry, gray or reddish-fawn coat, originally developed for hunting and bringing down deer, and known as the royal dog of Scotland.
  • scottish secretary — the Secretary of State for Scotland, head of the Scotland Office, a UK government department with responsibility for some Scottish affairs
  • scratch one's head — If you say that someone is scratching their head, you mean that they are thinking hard and trying to solve a problem or puzzle.
  • scruff of the neck — If someone takes you by the scruff of the neck, they take hold of the back of your neck or collar suddenly and roughly.
  • search-and-destroy — designed to find and destroy by bombing etc
  • sell oneself short — If you sell someone short, you do not point out their good qualities as much as you should or do as much for them as you should.
  • september holidays — a period of time in September when people do not have to go to school, college or work
  • septic sore throat — an acute, toxic, streptococcus infection of the throat producing fever, tonsillitis, and other serious effects.
  • set one's heart on — Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
  • shatterproof glass — glass designed to resist shattering
  • sheltered workshop — a place of employment for persons with disabilities where their rights are protected and their needs are met.
  • shepherd satellite — a small moon orbiting near a planetary ring, whose gravitational pull helps confine the ring and the ring's extent.
  • shift one's ground — to change one's argument or defense
  • shipping container — a large, strong container, usually of metal, used to store goods in during shipment
  • shoot from the hip — the act of shooting with a bow, firearm, etc.
  • short story writer — author of short fiction
  • short-tailed shrew — a grayish-black shrew, Blarina brevicauda, common in eastern North America, that has a tail less than half the length of the body.
  • shorthand notebook — a notebook used by a shorthand writer
  • shotgun microphone — a directional microphone with a narrow-angle range of sensitivity.
  • shugart associates — (company)   The disk drive company, founded by Alan F. Shugart, which developed SCSI. Alan left Shugart Associates in 1974 [did he quit or was he fired?]. Shugart Associates was bought, and eventually shut down by Xerox.
  • shugart technology — Seagate Technology
  • shunting operation — an operation in which rail coaches are manoeuvred
  • sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
  • sixth-form college — (in England and Wales) a college offering A-level and other courses to pupils over sixteen from local schools, esp from those that do not have sixth forms
  • sling psychrometer — a psychrometer so designed that the wet-bulb thermometer can be ventilated, to expedite evaporation, by whirling in the air.
  • smooth fox terrier — a breed of short-haired fox terrier with a mostly white, smooth coat.
  • snake in the grass — a treacherous person, especially one who feigns friendship.
  • so much the better — You can say 'so much the better' or 'all the better' to indicate that it is desirable that a particular thing is used, done, or available.
  • something or other — sth not remembered precisely
  • something to spare — a surplus of something
  • sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
  • sound and the fury — a novel (1929) by William Faulkner.
  • sound spectrograph — an electronic device for recording a sound spectogram.
  • southern cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
  • southern rhodesian — a former name (until 1964) of Zimbabwe (def 1).
  • sow dragon's teeth — to take some action that is intended to prevent strife or trouble but that actually brings it about
  • specialist teacher — a teacher with expertise in working with children with special educational needs, such as dyslexia
  • spectroheliography — the process of obtaining an image of the sun in light of a particular wavelength, such as calcium or hydrogen, showing the distribution of the element over the surface and in the solar atmosphere, using a spectroheliograph
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