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Pronunciation varies by accent · noun
(archaic, chemistry) A hypothetical radical derived from ammonium by the substitution of metallic atoms in place of hydrogen..
Use metalammonium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Metalammonium means (archaic, chemistry) A hypothetical radical derived from ammonium by the substitution of metallic atoms in place of hydrogen..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use metalammonium where its definition matches the intended context.
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