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18-letter words containing d, i, s, t, l, a

  • on the danger list — critically ill in hospital
  • optical disc drive — optical disk drive
  • optical disk drive — (hardware)   (Or "optical disc drive", "optical storage") A generic term for any device that reads and/or writes optical media, i.e. compact discs, DVDs and/or Blu-ray discs or future media that uses light (from a small laser) to read data off a removable, rotating disk. At least one such drive is commonly installed in most personal computers to allow them to play and/or record audio and video media and load and store data such as program installers. The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000 times as much).
  • optical soundtrack — the final soundtrack on a motion picture, which appears as a band of black and white serrations along a strip of film to the left of the composite print. Light is shined through the serrations and is converted to audible sound.
  • order of australia — an order awarded to Australians for outstanding achievement or for service to Australia or to humanity at large; established in 1975
  • organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
  • parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • passing modulation — a modulation of a temporary nature.
  • payload specialist — an astronaut trained to handle highly complex or classified equipment carried aboard a space shuttle and to conduct experiments in space.
  • pectoral sandpiper — an American sandpiper, Calidris melanotos, the male of which, when courting, inflates its chest conspicuously.
  • pedal steel guitar — an oblong, floor-mounted electrified guitar, usually having ten strings, fretted with a steel bar and producing a wailing sound that is modulated by use of a foot pedal.
  • pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
  • phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
  • physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
  • plate-glass window — a window that has glass which has been formed by rolling
  • population density — ratio: inhabitants to area
  • positively charged — having a positive charge
  • postviral syndrome — debilitating condition occurring as a sequel to viral illness
  • potassium chloride — a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
  • potassium fluoride — a white, crystalline, hygroscopic, toxic powder, KF, used chiefly as an insecticide, a disinfectant, and in etching glass.
  • predicate calculus — predicate logic
  • presenile dementia — a form of dementia, of unknown cause, starting before a person is old
  • presidential suite — a suite of rooms, as in a hotel, suitable for a president or other head of state.
  • pseudo-socialistic — of or relating to socialists or socialism.
  • pseudointellectual — a person exhibiting intellectual pretensions that have no basis in sound scholarship.
  • rail rapid transit — a system of rail transit within an urban area that has exclusive right of way either below, above, or on the ground and so is capable of relatively high operating speed. Abbreviation: RRT.
  • rear its ugly head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
  • reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
  • residential school — (in Canada) a boarding school maintained by the Canadian government for Indian and Inuit children from sparsely populated settlements
  • residual magnetism — remanence.
  • resistance plasmid — any of a group of bacterial plasmids carrying genetic information that provide resistance to antibiotic drugs: some resistance plasmids are able to transfer themselves, and hence resistance, during conjugation
  • resistance welding — welding utilizing pressure and heat that is generated in the pieces to be welded by resistance to an electric current.
  • rhode island white — one of a dual-purpose American breed of chickens having white feathers and a rose comb.
  • saturated solution — A saturated solution is a solution in which there is so much solute that if there was any more, it would not dissolve.
  • self-advertisement — a paid announcement, as of goods for sale, in newspapers or magazines, on radio or television, etc.
  • self-contradiction — an act or instance of contradicting oneself or itself.
  • self-contradictory — an act or instance of contradicting oneself or itself.
  • self-deprecatingly — in a self-deprecating manner
  • self-determination — determination by oneself or itself, without outside influence.
  • self-disparagement — the act of disparaging.
  • self-understanding — mental process of a person who comprehends; comprehension; personal interpretation: My understanding of the word does not agree with yours.
  • september holidays — a period of time in September when people do not have to go to school, college or work
  • shepherd satellite — a small moon orbiting near a planetary ring, whose gravitational pull helps confine the ring and the ring's extent.
  • 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.
  • sildenafil citrate — a white crystalline powder, C 22 H 30 N 6 O 4 S, that temporarily normalizes erectile function of the penis by blocking an enzyme known to inhibit the production of a chemical that causes erections: used in the form of a pill to treat impotence.
  • sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
  • small outline dimm — (storage)   (SO-DIMM) A smaller kind of DIMM with 72 pins (supporting 32-bit transfers) or 144 pins (64-bit transfers). Regular DIMMs have 168 pins and support 64-bit transfers. Being roughly half the size of the regular DIMM, SO-DIMMs are often used in notebook computers.
  • sodium thiosulfate — a white, crystalline, water-soluble powder, Na 2 S 2 O 3 ⋅5H 2 O, used as a bleach and in photography as a fixing agent.
  • solid-fuel heating — heating that uses solid fuel, such as coal or coke
  • solitary sandpiper — a North American sandpiper, Tringa solitaria, of inland wetlands, having a brownish-gray, white-spotted back and whitish underparts.
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