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单词 carbon monoxide
释义

WordReference Random House Learner's Dictionary of American English © 2024
car•bon mon•ox•ide /mɑnˈɑksaɪd/USA pronunciation  n. [uncountable]
  1. Chemistrya colorless, odorless, poisonous gas produced when carbon burns with insufficient air.

WordReference Random House Unabridged Dictionary of American English © 2024
carbon monoxide, 
  1. Chemistrya colorless, odorless, poisonous gas, CO, that burns with a pale-blue flame, produced when carbon burns with insufficient air: used chiefly in organic synthesis, metallurgy, and in the preparation of metal carbonyls, as nickel carbonyl.
  • 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::
carbon monoxide n
  1. a colourless odourless poisonous flammable gas formed when carbon compounds burn in insufficient air and produced by the action of steam on hot carbon: used as a reducing agent in metallurgy and as a fuel. Formula: CO
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