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单词 ammoniac
释义

ammoniac

noun

am·​mo·​ni·​ac ə-ˈmō-nē-ˌak How to pronounce ammoniac (audio)
: 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

Medical Definition

ammoniac 1 of 2

noun

am·​mo·​ni·​ac ə-ˈmō-nē-ˌak How to pronounce ammoniac (audio)
: 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
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更新时间:2024/9/20 18:39:57