noun \ə-ˈmō-nē-ˌak\

Definition of AMMONIAC

:  the aromatic gum resin of a southwest Asian herb (Dorema ammoniacum) of the carrot family used as an expectorant and stimulant and in plasters

Origin of AMMONIAC

Middle English & Latin; Middle English, from Latin ammoniacum, from Greek ammōniakon, from neuter of ammōniakos of Ammon
First Known Use: 15th century


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