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

  • 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.
  • quasi-metaphysical — pertaining to or of the nature of metaphysics.
  • 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.
  • 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
  • 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
  • resurrection plant — a desert plant, Selaginella lepidophylla, occurring from Texas to South America, having stems that curl inward when dry.
  • sampling equipment — Sampling equipment is equipment which is used to remove small amounts of something for analysis and monitoring.
  • sampling statistic — any function of observed data, esp one used to estimate the corresponding parameter of the underlying distribution, such as the sample mean, sample variance, etc
  • scripting language — a language that is used to write scripts, or executable sections of code that automate tasks.
  • 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-deprecatingly — in a self-deprecating manner
  • self-disparagement — the act of disparaging.
  • self-preoccupation — the state of being preoccupied.
  • self-tapping screw — a screw designed to tap its corresponding female thread as it is driven.
  • 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.
  • shepherd satellite — a small moon orbiting near a planetary ring, whose gravitational pull helps confine the ring and the ring's extent.
  • 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.
  • sit up like jackie — to sit bolt upright, esp cheekily
  • 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 assessment — a tax levied by a local government on private property to pay the cost of local public improvements, as sidewalk construction or sewage disposal, that are of general benefit to the property taxed.
  • 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.
  • special relativity — the state or fact of being relative.
  • specialist teacher — a teacher with expertise in working with children with special educational needs, such as dyslexia
  • 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.
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