am·mo·ni·um /əˈmoniəm/
氨鹽基,銨
am·mo·ni·um /əˈmonɪəm/ 名詞
銨
Am·mo·ni·um n. Chem. A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals.
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ammonium
n : the ion NH4 derived from ammonia; behaves in many respects
like an alkali metal ion [syn: ammonium ion]