1. ammonium

noun. ['əˈmoʊniːəm'] the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion.


  • ammonium ion


  • -ium (English)
  • -um (Latin)
  • ammonia (English)

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Rhymes with Ammonium

  • pandemonium
  • plutonium
  • harmonium
  • zirconium
  • polonium
  • gonium

How do you pronounce ammonium?

Pronounce ammonium as əˈmoʊniəm.

US - How to pronounce ammonium in American English

UK - How to pronounce ammonium in British English

Sentences with ammonium

1. Noun, singular or mass
This means you never know just how much ammonium hydroxide you may be applying.