ammonium

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am·mo·ni·um

 (ə-mō′nē-əm)
n.
The univalent chemical ion NH4+, derived from ammonia, whose compounds chemically resemble the alkali metals.

ammonium

(əˈməʊnɪəm; -njəm)
n
(Chemistry) (modifier) of, consisting of, or containing the monovalent group NH4– or the ion NH4+: ammonium compounds.

am•mo•ni•um

(əˈmoʊ ni əm)

n.
the univalent ion, NH4 + , or group, NH4, which plays the part of a metal in the salt formed when ammonia reacts with an acid.
[1808;< New Latin; see ammonia, -ium2]

am·mo·ni·um

(ə-mō′nē-əm)
A positively charged ion, NH4, derived from ammonia and found in a wide variety of organic and inorganic compounds.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ammonium - the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion
ammonia - a pungent gas compounded of nitrogen and hydrogen (NH3)
Translations
amonij
암모늄

ammonium

[əˈməʊnɪəm]
A. Namonio m
B. CPD ammonium hydroxide Nhidróxido m amónico
ammonium sulphate Nsulfato m amónico

ammonium

[əˈməʊnɪəm] nammonio

ammonium

n amonio; — carbonate carbonato de amonio, carbonato amónico (esp. Esp)
References in periodicals archive ?
A wing-nut molecule sticks to each of the four ammoniums.
A long, flat molecule -- a diammonium salt with a central, hydrophobic (water-avoiding) region flanked by charged ammonium groups -- serves as a template for the complex.