Ammonium

//əˈmoʊni.əm// noun

Definitions

Noun
  1. 1
    The univalent NH₄⁺ cation, derived by the protonation of ammonia uncountable, usually
  2. 2
    the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion wordnet
  3. 3
    Any similar cation formed by replacing one or more hydrogen atoms with alkyl or aryl radicals especially, in-compounds, uncountable, usually

Etymology

From New Latin ammōnium. Equivalent to ammonia + -ium.

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