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n. The univalent chemical ion NH4+, derived from ammonia, whose compounds chemically resemble the alkali metals.

n. The univalent NH4+ cation, derived by the protonation of ammonia.

n. A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals.

n. A name given to the hypothetical base (NH4) of ammonia, analogous to a metal, as potassium. .

n. the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion

"ANFO seemed to be an acronym for ammonium nitrate and fuel oil."

ammonia   

ammonium chlorid    ammonium nitrate    ammonium persulphate    ammonium bases    ammonium magnesium phosphate    ammonium chloroplatinate    ammonium hydroxid    ammonium picrate    ammonium bichromate    ammonium platinochlorid   

harmonium    pandemonium    plutonium    polonium    zirconium   

potassium    barium    lithium    sulfate    chlorate    manganese    ferric    zinc    ethyl    cadmium