Look up: ammonium

1. ammonium
   Type: Term Pronunciation: ă-mō′nē-yŭm Definitions: 1. An ion, NH₄+, formed by combining NH₃ and H+ (the pK_a value is 9.24); acts as a univalent metal in forming ammonium compounds.
   Found on http://www.medilexicon.com/medicaldictio
   
   
2. ammonium
   [n] - the ion NH4 derived from ammonia
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. ammonium
   consisting of, or containing the monovalent group NH4- or the ion NH4+ Category: Chemistry • used in compound to fireproof clothing of foundry workers Category: Labour
   Found on http://www.mijnwoordenboek.nl/definition
   
   
4. Ammonium
   Am·mo'ni·um noun [ See Ammonia .] (Chemistry) A compound radical, NH ₄ , having the chemical relations of a strongly basic element like the alkali metals.
   Found on http://www.encyclo.co.uk/webster/A/71
   
   
5. ammonium
   <chemistry> A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals. ... See: Ammonia. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
6. ammonium
   ammonium ion noun the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
7. ammonium
   (ә-mo´ne-әm) a hypothetical radical, NH4, forming salts analogous to those of the alkaline metals. ammonium carbonate a mixture of ammonium compounds used as a liquefying expectorant in the treatment of chronic bronchitis and similar lung disorders. It is sometimes us...
   Found on http://www.encyclo.co.uk/local/21001
   
   
8. Ammonium
   • (n.) A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals.
   Found on http://thinkexist.com/dictionary/meaning
   
   
9. Ammonium
   NH4 Molar mass: 18.03846
   Found on http://www.convertunits.com/molarmass/Am
   
   
10. Ammonium
    The ammonium (more obscurely: aminium) cation is a positively charged polyatomic cation with the chemical formula NH4+. It is formed by the protonation of ammonia (NH3). Ammonium is also a general name for positively charged or protonated substituted amines and quaternary ammonium cations (NR4+), w...
    Found on http://en.wikipedia.org/wiki/Ammonium
    
    
11. Ammonium
    Chemical compound composed of nitrogen and hydrogen (NH₄). Component of the nitrogen cycle. Product of organic matter decomposition. Can be fixed to clay minerals and later exchanged.
    Found on http://www.physicalgeography.net/physgeo
    
    
12. Ammonium
    Ammonium is the basic radical of ammonium salts. It is comprised of one atom of nitrogen and four atoms of hydrogen.
    Found on http://www.probertencyclopaedia.com/brow