| 单词 | ammoniac |
| 释义 | ammoniac /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 < L ammoniacum < Gk 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] |
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