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单词 fluorocarbon
释义

WordReference Random House Learner's Dictionary of American English © 2024
fluor•o•car•bon /ˈflʊroʊˌkɑrbən, ˈflɔr-/USA pronunciation   n. [countable]
  1. Chemistrya compound containing fluorine and carbon and used chiefly as a lubricant, fire-extinguishing agent, and electrical insulator.

WordReference Random House Unabridged Dictionary of American English © 2024
fluor•o•car•bon  (flŏŏr′ō kär′bən, flôr-, flōr-),USA pronunciation n. [Chem.]
  1. Chemistryany of a class of compounds produced by substituting fluorine for hydrogen in a hydrocarbon, and characterized by great chemical stability: used chiefly as a lubricant, refrigerant, fire extinguishing agent, and in industrial and other applications in which chemical, electrical, flame, and heat resistance is essential;
    banned as an aerosol propellant in the U.S. because of concern about ozone layer depletion. Cf. chlorofluorocarbon, chlorofluoromethane.
  • fluoro- + carbon 1935–40

Collins Concise English Dictionary © HarperCollins Publishers::
fluorocarbon /ˌflʊərəʊˈkɑːbən/ n
  1. any compound derived by replacing all or some of the hydrogen atoms in hydrocarbons by fluorine atoms. Many of them are used as lubricants, solvents, and coatings
    See also Freon, CFC
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