ammonia

Term: ammonia

Literally meaning: “relating to Ammon(god)”

Origin: Anc Greek
Anc Greek αμμωνία/ammonia(=αμμ),  
Coined/History
The term coined in 1782 by Swedish chemist Torbern Bergman (1735-1784) from salt deposits containing ammonium chloride found near temple of Jupiter Ammon (major Aigyptian deity) 

Definition
It is the chemical compound with the formula NH3 usually in gaseous form .