ammoniac

noun

am·​mo·​ni·​ac ə-ˈmō-nē-ˌak 

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

Word History

Etymology

Middle English & Latin; Middle English, from Latin ammoniacum, from Greek ammōniakon, from neuter of ammōniakos of Ammon

First Known Use

15th century, in the meaning defined above

Phrases Containing ammoniac

• sal ammoniac

Medical Definition

ammoniac

1 of 2 noun

am·​mo·​ni·​ac ə-ˈmō-nē-ˌak 

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

ammoniac

2 of 2

see sal ammoniac