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17-letter words containing a, c, s, e, o

  • new scotland yard — See under Scotland Yard (def 1).
  • nitrogen narcosis — a semistupor, lightheadedness, or euphoria experienced by deep-sea divers when nitrogen from air enters the blood at higher than atmospheric pressure.
  • non-consideration — the act of considering; careful thought; meditation; deliberation: I will give your project full consideration.
  • non-controversial — of, relating to, or characteristic of controversy, or prolonged public dispute, debate, or contention; polemical: a controversial book.
  • non-discretionary — subject or left to one's own discretion.
  • non-materialistic — excessively concerned with physical comforts or the acquisition of wealth and material possessions, rather than with spiritual, intellectual, or cultural values.
  • non-stereotypical — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
  • non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
  • nonaccomplishment — Something that does not achieve the intended goal.
  • nonteaching staff — employees within an academic or vocational environment whose jobs do not involve teaching
  • not mince matters — to speak frankly
  • nuclear isomerism — isomerism (def 2).
  • nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
  • 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.
  • nursery education — education provided at a school for young children, usually from three to five years old
  • objectionableness — The quality of being objectionable.
  • off-site facility — An off-site facility is a facility which is not at the main industrial or commercial site.
  • olympic peninsula — a large peninsula of W Washington
  • omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
  • on someone's back — criticizing or pestering someone
  • on the pig's back — successful; established
  • operations centre — a centre where activities of a business, organization, etc, are administrated and take place
  • opisthobranchiate — (zoology) Of or pertaining to the Opisthobranchiata.
  • optical isomerism — stereoisomerism in which the isomers are identical in molecular weight and most chemical and physical properties but differ in their effect on the rotation of polarized light.
  • organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
  • organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
  • orifice discharge — Orifice discharge is a model for calculating how quickly a fluid will come out of a punctured vessel or pipe.
  • osculating circle — circle of curvature.
  • outside broadcast — An outside broadcast is a radio or television programme that is not recorded or filmed in a studio, but in another building or in the open air.
  • over-compensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
  • over-conservative — disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.
  • overhead camshaft — a camshaft in an automotive engine that is located in the cylinder head over the engine block rather than in the block. Abbreviation: OHC.
  • overreach oneself — to fail because of trying to do more than one can
  • oystershell scale — a scale insect, Lepidosaphes ulmi, having a scale shaped like the shell of an oyster, which infests various deciduous trees and shrubs.
  • pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
  • pair of compasses — compass (def 7)
  • paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
  • paleoconservative — a person advocating an older, traditional type of conservatism, especially in politics.
  • papanicolaou test — Pap test.
  • paradoxical sleep — REM sleep.
  • passive obedience — unquestioning obedience to authority
  • performance bonus — a monetary bonus paid to staff who have performed well in their job
  • performance drugs — the drugs that are taken illegally by athletes to enhance their sporting performance
  • pernicious anemia — Pernicious anemia is a very severe blood disease.
  • personal computer — a compact computer that uses a microprocessor and is designed for individual use, as by a person in an office or at home or school, for such applications as word processing, data management, financial analysis, or computer games. Abbreviation: PC.
  • personal distance — personal space.
  • personality clash — friction between two people who have different personalities or points of view
  • personnel carrier — a vehicle used for transporting troops
  • perspicaciousness — having keen mental perception and understanding; discerning: to exhibit perspicacious judgment.
  • peterloo massacre — an incident at St Peter's Fields, Manchester, in 1819 in which a radical meeting was broken up by a cavalry charge, resulting in about 500 injuries and 11 deaths
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