Ammonium Definition

ə-mōnē-əm
noun
The univalent chemical ion NH4 +, derived from ammonia, whose compounds chemically resemble the alkali metals.
American Heritage
The monovalent radical NH4, present in salts produced by the reaction of ammonia with an acid: its compounds are like those of the alkali metals.
Webster's New World

(inorganic chemistry) The univalent NH4+ cation, derived by the protonation of ammonia.

Wiktionary
Synonyms:
  • ammonium ion

Other Word Forms of Ammonium

Noun

Singular:
ammonium
Plural:
ammoniums

Origin of Ammonium

  • ammon(ia) –ium

    From American Heritage Dictionary of the English Language, 5th Edition

  • ammonia +‎ -ium

    From Wiktionary

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