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18-letter words containing s, o, l, i, p, t

  • potassium fluoride — a white, crystalline, hygroscopic, toxic powder, KF, used chiefly as an insecticide, a disinfectant, and in etching glass.
  • potassium sulphate — a soluble substance usually obtained as colourless crystals of the decahydrate: used in making glass and as a fertilizer. Formula: K2SO4
  • prepositional verb — a combination of verb and preposition, often with idiomatic meaning, differing from other phrasal verbs in that an object must always follow the preposition, as take after in The children take after their mother.
  • presentation layer — (networking)   The second highest layer (layer 6) in the OSI seven layer model. Performs functions such as text compression, code or format conversion to try to smooth out differences between hosts. Allows incompatible processes in the application layer to communicate via the session layer. Documents: ITU Rec. X.226 (ISO 8823), ITU Rec. X.216 (ISO 8822).
  • presumption of law — a presumption based upon a policy of law or a general rule and not upon the facts or evidence in an individual case.
  • presuppositionless — to suppose or assume beforehand; take for granted in advance.
  • provascular tissue — procambium.
  • pseudo-socialistic — of or relating to socialists or socialism.
  • pseudointellectual — a person exhibiting intellectual pretensions that have no basis in sound scholarship.
  • pseudotuberculosis — an acute, sometimes fatal disease of rodents, birds, and other animals, including humans, caused by the bacterium Yersinia (Pasteurella) pseudotuberculosis, and characterized by the formation of nodules resembling those that result from tuberculosis.
  • psychopathological — the science or study of mental disorders.
  • psychotechnologist — a specialist in psychotechnology
  • pulmonic airstream — a current of lung air set in motion by the respiratory muscles in the production of speech.
  • purple loosestrife — an Old World plant, Lythrum salicaria, of the loosestrife family, widely naturalized in North America, growing in wet places and having spikes of reddish-purple flowers.
  • registration plate — a plate mounted on the front and back of a motor vehicle bearing the registration number
  • reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
  • reprocessing plant — a plant where materials are treated in order to make them reusable
  • resurrection plant — a desert plant, Selaginella lepidophylla, occurring from Texas to South America, having stems that curl inward when dry.
  • seasonal promotion — Seasonal promotions are items marketed to customers at the appropriate time of year, such as coats in the winter and bathing suits in the summer.
  • self-contemplation — the act or process of thinking about oneself or one's values, beliefs, behavior, etc.
  • self-preoccupation — the state of being preoccupied.
  • september holidays — a period of time in September when people do not have to go to school, college or work
  • set priority level — (SPL) The way traditional Unix kernels implement mutual exclusion by running code at high interrupt priority levels and thus blocking lower level interrupts.
  • shop till you drop — If you shop till you drop, you do a large amount of shopping.
  • silvery spleenwort — a fern, Diplazium pycnocarpon, of eastern North America, having fronds from 20 to 30 inches (50.8 to 76.2 cm) long on yellowish-green stalks.
  • simple enumeration — a procedure for arriving at empirical generalizations by haphazard accumulation of positive instances.
  • sling psychrometer — a psychrometer so designed that the wet-bulb thermometer can be ventilated, to expedite evaporation, by whirling in the air.
  • slip of the tongue — If you describe something you said as a slip of the tongue, you mean that you said it by mistake.
  • slow-motion replay — a showing again in slow motion of a sequence of action, esp of part of a sporting contest immediately after it happens
  • sodium hyposulfite — sodium thiosulfate.
  • solitary sandpiper — a North American sandpiper, Tringa solitaria, of inland wetlands, having a brownish-gray, white-spotted back and whitish underparts.
  • solubility product — the maximum number of undissociated ions, of an electrolyte in a saturated solution, capable at a given temperature of remaining in equilibrium with the undissolved phase of the solution.
  • southampton island — an island in N Canada, in the Northwest Territories at the entrance to Hudson Bay. 19,100 sq. mi. (49,470 sq. km).
  • special collection — a collection of materials segregated from a general library collection according to form, subject, age, condition, rarity, source, or value.
  • special prosecutor — (formerly) an independent counsel.
  • spectrocolorimetry — the quantitative measure of colors by spectrophotometry.
  • spectrofluorimeter — an instrument in which the spectrum of secondarily emitted fluorescent light is used to identify chemical compounds.
  • 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
  • spectropolarimeter — an instrument for determining the extent to which plane-polarized light of various wavelengths is rotated by certain solutions, consisting of a combination of a spectroscope and a polarimeter.
  • spectropolariscope — an instrument combining the functions of a spectroscope with those of a polariscope.
  • spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
  • spin stabilization — a technique by which a bullet, rocket, etc, is made to spin around its longitudinal axis to assist it in maintaining a steady flight path
  • split-level cooker — a cooker that is designed with a separate oven and hob so that they can be fitted wherever is most convenient in the kitchen
  • stepping-off place — jumping-off place (def 2).
  • subatomic particle — physics:
  • super giant slalom — a slalom race in which the course is longer and has more widely spaced gates than in a giant slalom.
  • supraorbital ridge — browridge.
  • telephone sex line — a telephone line operated by a phone-sex worker that offers phone sex to paying customers
  • television company — a company that broadcasts programmes by television
  • temporal summation — the act or process of summing.
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