ammonium

[ uh-moh-nee-uh m ]
/ əˈmoʊ ni əm /

noun Chemistry.

the univalent ion, NH4+, or group, NH4, which plays the part of a metal in the salt formed when ammonia reacts with an acid.

Origin of ammonium

< New Latin; see ammonia, -ium; coined by J. J. Berzelius in 1808

Words nearby ammonium

ammonify, ammonio-, ammonioferric oxalate, ammonite, ammonites, ammonium, ammonium acetate, ammonium bicarbonate, ammonium bifluoride, ammonium binoxalate, ammonium carbamate

Example sentences from the Web for ammonium

British Dictionary definitions for ammonium

ammonium
/ (əˈməʊnɪəm, -njəm) /

noun

(modifier) of, consisting of, or containing the monovalent group NH 4 – or the ion NH 4 + ammonium compounds

Medical definitions for ammonium

ammonium
[ ə-mō′nē-əm ]

n.

The univalent radical NH4+, that is derived from ammonia and that reacts as a univalent metal in forming ammonium compounds.

Scientific definitions for ammonium

ammonium
[ ə-mō′nē-əm ]

A positively charged ion, NH4, derived from ammonia and found in a wide variety of organic and inorganic compounds. Compounds of ammonium chemically resemble the alkali metals.