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ammoniac

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noun am·mo·ni·ac \ə-ˈmō-nē-ˌak\

Definition of ammoniac

  1. :  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


Learn More about ammoniac

  1. Medical Dictionary: Definition of "ammoniac"


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