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单词 dioxide
释义

WordReference Random House Unabridged Dictionary of American English © 2024
di•ox•ide  (dī oksīd, -sid),USA pronunciation n. [Chem.]
  1. Chemistryan oxide containing two atoms of oxygen, each of which is bonded directly to an atom of a second element, as manganese dioxide, MnO2, or nitrogen dioxide, NO2.
  • di-1 + oxide 1840–50

Collins Concise English Dictionary © HarperCollins Publishers::
dioxide /daɪˈɒksaɪd/ n
  1. any oxide containing two oxygen atoms per molecule, both of which are bonded to an atom of another element
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