Definition of ammonium in English:

ammonium

nounəˈməʊnɪəməˈmoʊniəm

Chemistry

as modifier The cation NH₄⁺, present in solutions of ammonia and in salts derived from ammonia.
ammonium compounds
ammonium sulphate
Example sentencesExamples
- These include things such as urea, ammonia, nitric acid, and ammonium phosphate.
- And it contained the inorganic salts manganese sulphate, potassium chloride and ammonium sulphate.
- In nickel plating, an electrolytic solution containing nickel ammonium sulfate may be used.
- The perchloric acid then neutralises the alkali ammonia forming crystals of ammonium perchlorate salt.
- Amides are hydrolysed to ammonium salts with catalysis by acids or alkalis.

Origin

Early 19th century: from ammonia + -ium.

Rhymes

euphonium, harmonium, pandemonium, pelargonium, plutonium, polonium, zirconium

Definition of ammonium in US English:

ammonium

nounəˈmōnēəməˈmoʊniəm

Chemistry

as modifier The cation NH₄⁺, present in solutions of ammonia and in salts derived from ammonia.
ammonium compounds
ammonium sulfate
Example sentencesExamples
- These include things such as urea, ammonia, nitric acid, and ammonium phosphate.
- The perchloric acid then neutralises the alkali ammonia forming crystals of ammonium perchlorate salt.
- In nickel plating, an electrolytic solution containing nickel ammonium sulfate may be used.
- Amides are hydrolysed to ammonium salts with catalysis by acids or alkalis.
- And it contained the inorganic salts manganese sulphate, potassium chloride and ammonium sulphate.

Origin

Early 19th century: from ammonia + -ium.

单词	ammonium
释义	Definition of ammonium in English: ammonium nounəˈməʊnɪəməˈmoʊniəm Chemistry as modifier The cation NH₄⁺, present in solutions of ammonia and in salts derived from ammonia. ammonium compounds ammonium sulphate Example sentencesExamples These include things such as urea, ammonia, nitric acid, and ammonium phosphate. And it contained the inorganic salts manganese sulphate, potassium chloride and ammonium sulphate. In nickel plating, an electrolytic solution containing nickel ammonium sulfate may be used. The perchloric acid then neutralises the alkali ammonia forming crystals of ammonium perchlorate salt. Amides are hydrolysed to ammonium salts with catalysis by acids or alkalis. Origin Early 19th century: from ammonia + -ium. Rhymes euphonium, harmonium, pandemonium, pelargonium, plutonium, polonium, zirconium Definition of ammonium in US English: ammonium nounəˈmōnēəməˈmoʊniəm Chemistry as modifier The cation NH₄⁺, present in solutions of ammonia and in salts derived from ammonia. ammonium compounds ammonium sulfate Example sentencesExamples These include things such as urea, ammonia, nitric acid, and ammonium phosphate. The perchloric acid then neutralises the alkali ammonia forming crystals of ammonium perchlorate salt. In nickel plating, an electrolytic solution containing nickel ammonium sulfate may be used. Amides are hydrolysed to ammonium salts with catalysis by acids or alkalis. And it contained the inorganic salts manganese sulphate, potassium chloride and ammonium sulphate. Origin Early 19th century: from ammonia + -ium.
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