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Noun: valency  vey-lun(t)-see
  1. The phenomenon of forming chemical bonds
  2. (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate
    - valence
  3. (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)
    - valence

Derived forms: valencies

See also: bivalent, double, monovalent, multivalent, polyvalent, univalent

Type of: chemical phenomenon, power, powerfulness

Encyclopedia: Valency