Ammonium

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  ammonium
       n : the ion NH4 derived from ammonia; behaves in many respects
           like an alkali metal ion [syn: {ammonium ion}]