AskDefine | Define valence

Dictionary Definition



1 (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate [syn: valency]
2 (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent) [syn: valency]

User Contributed Dictionary


Pronunciation 1

  • /ˈveɪləns/

Etymology 1


  1. chemistry obsolete An extract; a preparation.
  2. The combining capacity of an atom, radical or functional group determined by the number of electrons that it will lose, gain, or share when it combines with other atoms etc
  3. The number of binding sites of a molecule, such as an antibody or antigen
  4. The number of arguments that a verb can have (e.g. intransitive verbs only have one, transitive verbs have two, etc).
  5. A one-dimensional value assigned to an object, situation, or state, that can usually be positive or negative



Etymology 2

Pronunciation 2

  • /ˈvæləns/


  1. The fringes on a blanket.



From valentia, German -valenz


fr-noun f

Extensive Definition

Valence may refer to:

In molecules, atoms, or subatomic particles

In other sciences

Places in France

* Valence, Drôme, préfecture (capital) of the Drôme département

See also

valence in Czech: Valence
valence in German: Valence (Begriffsklärung)
valence in Spanish: Valence
valence in Esperanto: Valence
valence in French: Valence
valence in Italian: Valence
valence in Dutch: Valence
valence in Polish: Valence
valence in Simple English: Valence
valence in Slovenian: Valence (razločitev)
valence in Finnish: Valence
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