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单词 ammonium
释义

WordReference Random House Unabridged Dictionary of American English © 2024
am•mo•ni•um  (ə mōnē əm),USA pronunciation n. [Chem.]
  1. Chemistrythe univalent ion, NH4, or group, NH4, which plays the part of a metal in the salt formed when ammonia reacts with an acid.
  • Neo-Latin; see ammonia, -ium; coined by J. J. Berzelius in 1808

Collins Concise English Dictionary © HarperCollins Publishers::
ammonium /əˈməʊnɪəm -njəm/ n
  1. (modifier) of, consisting of, or containing the monovalent group NH4– or the ion NH4+: ammonium compounds
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