Look up: amphoteric

1. 
   Amphoteric
   A compound which has the capacity of behaving either as an acid or base. An amphoteric surface active compound is capable of anionic or cationic behaviour depending on whether it is in an acidic or basic system.
   Found on http://www.pestmanagement.co.uk/lib/glos
   
   
2. 
   amphoteric
   [adj] - (chemistry) having characteristics of both an acid and a base and capable of reacting as either
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. 
   amphoteric
   A chemical species that behaves both as an acid and as a base is called amphoteric. This property depends upon the medium in which the species is investigated: H₂SO₄ is an acid when studied in water, but becomes amphoteric in superacids.
   Found on http://www.chem.qmul.ac.uk/iupac/gtpoc/A
   
   
4. 
   amphoteric
   ampholyte. A substance that can act as either an acid or a base in a reaction. For example, aluminum hydroxide can neutralize mineral acids ( Al(OH)₃ + 3 HCl = AlCl₃ + 3 H₂O ) or strong bases ( Al(OH)₃ + 3 NaOH = Na₃AlO₃ + 3 H₂O).
   Found on http://antoine.frostburg.edu/chem/senese
   
   
5. 
   amphoteric
   A term applied to oxides and hydroxides which can act basic toward strong acids and acidic toward strong alkalis. Substances which can dissociate electrolytically to produce hydrogen or hydroxyl ions according to conditions.
   Found on http://www.bacgroup.com/glossary/glossar
   
   
6. 
   amphoteric
   A compound that can behave as both an acid and a base
   Found on http://www.greener-industry.org
   
   
7. 
   amphoteric
   capable of reacting chemically either as an acid or as a base Category: Chemistry
   Found on http://www.mijnwoordenboek.nl/definition
   
   
8. 
   amphoteric
   Having both acidic and basic characteristics. This is true of proteins since they have both acidic and basic side groups (the charges of which balance at the isoelectric point).
   Found on http://www.mblab.gla.ac.uk/dictionary/
   
   
9. 
   Amphoteric
   Am`pho·ter'ic adjective [ Greek ... both.] Partly one and partly the other; neither acid nor alkaline; neutral. [ R.] Smart.
   Found on http://www.encyclo.co.uk/webster/A/73
   
   
10. 
    amphoteric
    <biochemistry, chemistry> Having both acidic and basic characteristics. This is true of proteins since they have both acidic and basic side groups (the charges of which balance at the isoelectric point). ... (05 Feb 1998) ...
    Found on http://www.mondofacto.com/facts/dictiona
    
    
11. 
    amphoteric
    amphiprotic adjective having characteristics of both an acid and a base and capable of reacting as either
    Found on http://wordnet.princeton.edu/perl/webwn?
    
    
12. 
    amphoteric
    (am-fә-ter´ik) capable of acting as both an acid and a base; capable of neutralizing either bases or acids.
    Found on http://www.mercksource.com/pp/us/cns/cns
    
    
13. 
    Amphoteric
    • (a.) Partly one and partly the other; neither acid nor alkaline; neutral.
    Found on http://thinkexist.com/dictionary/meaning
    
    
14. 
    amphoteric
    amphoteric Having divergent or even opposite properties; such as, the capacity of reacting in the presence of either acids or bases, or of behaving as either an acid or a base.
    Found on http://www.wordinfo.info/words/index/inf
    
    
15. 
    amphoteric
    Having two opposite characteristics, especially having the capacity of reacting as either an acid or a base; e.g., Al(OH)3 H3AlO3 or an amino acid. [G. amphoteroi (pl.), both, fr. amph, both]
    Found on http://www.stedmans.com/section.cfm/45
    
    
16. 
    amphoteric
    A term applied to oxides and hydroxides which can act basic toward strong acids and acidic toward strong alkalis. Substances which can dissociate electrolytically to produce hydrogen or hydroxyl ions according to conditions
    Found on http://www.corrosionsource.com/handbook/
    
    
17. 
    amphoteric
    • A compound that can behave both as an acid and as a base. For example, with strong acids aluminum hydroxide acts as a base, Al(OH)₃, forming aluminum salts. With strong bases it behaves as an acid, H₃AlO₃, forming salts cont...
    Found on http://www.daviddarling.info/encyclopedi