Medical Dictionary

ammonium

noun am·mo·ni·um \ə-ˈmō-nē-əm\

Medical Definition of AMMONIUM

:  an ion NH4+ derived from ammonia by combination with a hydrogen ion and known in organic compounds (as quaternary ammonium compounds) and in compounds (as salts) that resemble in properties the compounds of the alkali metals
July 04, 2015
stringent Hear it
rigorous, strict, or severe
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