Main Entry: am·mo·nia

Pronunciation: \ə-ˈmō-nyə\

Function: noun

Etymology: New Latin, from Latin sal ammoniacus sal ammoniac, literally, salt of Ammon, from Greek ammōniakos of Ammon, from Ammōn Ammon, Amun, an Egyptian god near whose temple at the Siwa oasis it was extracted

Date: 1789

1 : a pungent colorless gaseous alkaline compound of nitrogen and hydrogen NH₃ that is very soluble in water and can easily be condensed to a liquid by cold and pressure
2 : ammonia water