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17-letter words containing s, i, l, u, r, o

  • natural selection — the process by which forms of life having traits that better enable them to adapt to specific environmental pressures, as predators, changes in climate, or competition for food or mates, will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.
  • neurophysiologist — the branch of physiology dealing with the functions of the nervous system.
  • neuropsychologist — A neurologist or psychologist whose speciality is neuropsychology.
  • nicholas bourbaki — the pseudonym of a group of mainly French mathematicians that, since 1939, has been producing a monumental work on advanced mathematics, Eléments de Mathématique
  • non-instructional — the act or practice of instructing or teaching; education.
  • nuclear isomerism — isomerism (def 2).
  • nuclear-isomerism — Chemistry. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism) as CH 3 OCH 3 and CH 3 CH 2 OH, or in the arrangement of their atoms in space and therefore in one or more properties. Compare optical isomerism, stereoisomerism.
  • old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
  • old wives' summer — a period of fine, summerlike weather occurring in Europe in autumn.
  • on cruise control — If you say that someone is on cruise control in a contest, you mean that they are winning the contest easily and without needing to make a lot of effort.
  • opportunistically — adhering to a policy of opportunism; practicing opportunism.
  • osculating circle — circle of curvature.
  • out of this world — the earth or globe, considered as a planet.
  • percussion bullet — a bullet that is exploded by percussion
  • personal equation — the tendency to personal bias that accounts for variation in interpretation or approach and for which allowance must be made.
  • pincushion flower — scabious2 (def 1).
  • poststructuralism — a variation of structuralism, often seen as a critique, emphasizing plurality of meaning and instability of concepts that structuralism uses to define society, language, etc.
  • postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
  • power supply unit — (hardware)   (PSU) An electronic module that converts high voltage (110 or 240 VAC) alternating current mains electricity into smoothed direct current at the various differnt voltages required by the motherboard; internal peripheral devices, cheifly storage devices: hard disks, CD or DVD, floppy disks and external connections such as USB. A PSU needs a high enough power output rating to supply all the devices connected to it and should output as little as possible electrical noise, both on the output wires and as electromagnetic radiation. See also uninterruptable power supply.
  • prison population — all the people who are confined in prison
  • procurator fiscal — In the Scottish legal system, the procurator fiscal is a public official who puts people on trial.
  • production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
  • professional foul — In football, if a player commits a professional foul, they deliberately do something which is against the rules in order to prevent another player from scoring a goal.
  • prostatic utricle — a small pouch near the prostate gland that opens into the urethra.
  • pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
  • pseudo-moralistic — a person who teaches or inculcates morality.
  • public prosecutor — an officer charged with the conduct of criminal prosecution in the interest of the public.
  • purple of cassius — a purple pigment precipitated as a sol by the interaction of gold chloride and a solution of stannic acid and stannous chloride: used chiefly in the manufacture of ruby glass, ceramic glazes, and enamels.
  • pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
  • pyrosulfuric acid — a strong, crystalline acid, H2S2O7, prepared commercially as a heavy, oily, fuming liquid: used in making explosives and dyes, as a sulfating agent, etc.
  • radioluminescence — luminescence induced by nuclear radiation.
  • recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.
  • reduce to silence — If someone or something reduces you to silence, they make you feel so upset or confused that you cannot speak.
  • refuse collection — the collection of rubbish and waste, usually in a rubbish or refuse truck, before final disposal
  • res ipsa loquitur — the rule that an injury is due to the defendant's negligence when that which caused it was under his or her control or management and the injury would not have happened had proper management been observed.
  • revascularization — the restoration of the blood circulation of an organ or area, achieved by unblocking obstructed or disrupted blood vessels or by surgically implanting replacements.
  • ringer's solution — an aqueous solution of the chlorides of sodium, potassium, and calcium in the same concentrations as normal body fluids, used chiefly in the laboratory for sustaining tissue.
  • rio grande do sul — a state in S Brazil. 107,923 sq. mi. (279,520 sq. km). Capital: Pôrto Alegre.
  • rocket propulsion — propulsion of an object by thrust developed by a rocket.
  • royal institution — a British society founded in 1799 for the dissemination of scientific knowledge
  • russian wolfhound — borzoi.
  • scrophulariaceous — belonging to the Scrophulariaceae, the figwort family of plants.
  • secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
  • self-introduction — the act of introducing or the state of being introduced.
  • self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
  • self-renunciation — renunciation of one's own will, interests, etc.
  • self-reproduction — the act or process of reproducing.
  • self-rising flour — Self-rising flour is flour that makes cakes rise when they are cooked because it has chemicals added to it.
  • selkirk mountains — a mountain range in SW Canada, in SE British Columbia. Highest peak: Mount Sir Sandford, 3533 m (11 590 ft)
  • sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
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