Ammonia
/əˈməʊ.nɪ.ə/ noun
noun ·Moderate ·College level
Definitions
Noun
- 1 A gaseous, toxic compound of hydrogen and nitrogen, NH₃, with a pungent smell and taste. countable, uncountable
- 2 a pungent gas compounded of nitrogen and hydrogen (NH3) wordnet
- 3 A solution of this compound in water used domestically as a cleaning fluid. countable, uncountable
"Never use ammonia to clean metal writing pens."
- 4 a water solution of ammonia wordnet
Antonyms
All antonymsExample
More examples"Ammonia is a colorless liquid or gas with a very strong smell."
Etymology
From Latin sal ammoniacus (“salt of Amun, ammonium chloride”), named so because it was found near the temple of (Jupiter) Ammon in Egypt. Ammon derives from Ancient Greek Ἄμμων (Ámmōn), from Egyptian jmn (i-mn:n-A4).