Meaning

noun a water solution of ammonia

noun a pungent gas compounded of nitrogen and hydrogen (NH3)

originEtymology tree Egyptian jmnbor. Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor. Latin Ammōn Latin ammoniacusder. English ammonia 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).

Etymology from Wiktionary, CC BY-SA 3.0