氨鹽基,銨
Ammonium \Am*mo"ni*um\, n. [See {Ammonia}.] (Chem.) A compound radical, {NH4}, having the chemical relations of a strongly basic element like the alkali metals.
ammonium n : the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion [syn: {ammonium ion}]