Mercurammonium
Pronunciation : Mer`cur*am*mo"ni*um
Part of Speech : n.
Etymology : [Mercuric + ammonium.] (Chem.)
Definition : Defn: A radical regarded as derived from ammonium by the substitution of mercury for a portion of the hydrogen.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder