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17-letter words containing o, n, a, c, l

  • off-year election — (in the US) an election held in a year when a presidential election does not take place
  • old norman french — Norman French (sense 1)
  • olympic mountains — a mountain range in NW Washington: part of the Coast Range. Highest peak: Mount Olympus, 2427 m (7965 ft)
  • olympic peninsula — a large peninsula of W Washington
  • omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
  • online dictionary — a dictionary that is available on the Internet or World Wide Web and accessed through a Web browser using a computer or a mobile device, primarily by typing a query term into a search box on the site. Online dictionaries like Dictionary.com offer immediate, direct access through large databases to a word's spelling and meanings, plus a host of ancillary information, including its variant spellings, pronunciation, inflected forms, origin, and derived forms, as well as supplementary notes on matters of interest or concern about how the word is used: Some people think online dictionaries will make print dictionaries obsolete.
  • onomatopoetically — the formation of a word, as cuckoo, meow, honk, or boom, by imitation of a sound made by or associated with its referent.
  • open-channel flow — Open-channel flow is a liquid flow in a channel, which has a free liquid surface.
  • opportunistically — adhering to a policy of opportunism; practicing opportunism.
  • optical astronomy — the branch of observational astronomy using telescopes to observe or photograph celestial objects in visible light.
  • optical carrier n — (networking)   (OC-n) A SONET rate of n times 51.84 megabits per second.
  • optical computing — (hardware)   (Or "Optical Signal Processing") Operating on data represented using electromagnetic radiation, e.g. visible light, instead of the electrical signals used in a conventional electronic digital computer. Electronic digital computers are built from transistors. These form components that store data and logic gates that perform the low-level Boolean operations such as AND, OR and NOT that are the basis of all digital computation. The optical equivalent requires material with a non-linear refractive index such that light beams can interact with each other to perform the same Boolean operations. Though the photons that carry optical signals offer some theoretical advantages over the electrons that carry electronic signals, there are many practical problems that would have to be overcome before optical computing could compete in terms of cost, power and speed.
  • oregon crab apple — a shrub or small tree, Malus fusca, of the rose family, of the northwestern coast of North America, having hairy leaves, white flowers, and yellow or green oblong fruit.
  • osculating circle — circle of curvature.
  • otolaryngological — Pertaining to otolaryngology.
  • overreach oneself — to fail because of trying to do more than one can
  • palace revolution — a challenge to or overthrow of a sovereign or other leader by members of the ruling family or group.
  • paleoconservative — a person advocating an older, traditional type of conservatism, especially in politics.
  • panama canal zone — Canal Zone.
  • papanicolaou test — Pap test.
  • particularization — to make particular.
  • pashmina politics — the adoption of political policies immediately after they have gone out of fashion
  • pentachlorophenol — a white, crystalline, water-insoluble powder, C 6 Cl 5 OH, used chiefly in fungicides, disinfectants, and wood preservatives.
  • 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
  • phenethyl alcohol — a colorless, viscous, slightly water-soluble liquid, C 8 H 1 0 O, having a faint roselike odor: used chiefly in perfumery.
  • phenyl isocyanate — a liquid reagent, C 7 H 5 NO, having an unpleasant, irritating odor: used chiefly for identifying alcohols and amines.
  • phenylformic acid — benzoic acid.
  • philanthropically — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
  • phonetic alphabet — an alphabet containing a separate character for each distinguishable speech sound.
  • phonological rule — an operation in generative phonology that substitutes one sound or class of sounds for another in a phonological derivation.
  • planck's constant — the fundamental constant of quantum mechanics, expressing the ratio of the energy of one quantum of radiation to the frequency of the radiation and approximately equal to 6.624 × 10− 27 erg-seconds. Symbol: h.
  • platinic chloride — chloroplatinic acid.
  • ploughman's lunch — a light lunch consisting of bread and cheese, and sometimes pickled onions.
  • point reyes lilac — a prostrate shrub, Ceanothus gloriosus, of southern California, having leathery, roundish leaves and purplish or deep-blue flowers.
  • polar continental — a type of cold, dry air mass originating at high latitudes over land areas
  • polar coordinates — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
  • police department — A police department is an official organization which is responsible for making sure that people obey the law.
  • polioencephalitis — a disease characterized by inflammation of the gray matter of the brain.
  • political economy — a social science dealing with political policies and economic processes, their interrelations, and their influence on social institutions.
  • political science — a social science dealing with political institutions and with the principles and conduct of government.
  • polyacrylonitrile — a polymer of acrylonitrile used in the manufacture of Orlon and other synthetic textiles.
  • polyadenylic acid — a homopolymer of adenylic acid enzymatically added to messenger RNA in eukaryotic cells to inhibit the hydrolytic breakdown of messenger RNA.
  • polymorphonuclear — (of a leukocyte) having a lobulate nucleus.
  • polyvinyl acetate — a colorless, odorless, nontoxic, transparent, thermoplastic, water-insoluble resin used as an adhesive in certain paints and as an intermediate in the synthesis of polyvinyl acetal and polyvinyl alcohol.
  • polyvinyl alcohol — a colorless, water-soluble, thermoplastic resin, derived by the hydrolysis of polyvinyl acetate: used chiefly as an adhesive and as a sizing agent in the manufacture of textiles, paper, and plastics.
  • pre-qualification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
  • pre-technological — of or relating to technology; relating to science and industry.
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