/euh moh"nee ak'/ , n.
1. Also, ammoniacum /am'euh nuy"euh keuhm/ . See gum ammoniac .
adj.
2. ammoniacal.
[ 1375-1425; late ME armoniac, ammoniak ammoniacum ammoniakón (neut. of ammoniakós of AMMON; see -I-, -AC), applied to a salt and a gum resin prepared near the Shrine of Ammon in Libya ]