valence

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noun va·lence \ˈvā-lən(t)s\

Definition of valence

  1. 1 :  the degree of combining power of an element as shown by the number of atomic weights of a monovalent element (such as hydrogen) with which the atomic weight of the element will combine or for which it can be substituted or with which it can be compared

  2. 2a :  relative capacity to unite, react, or interact (as with antigens or a biological substrate)b [in part from valence in chemistry, in part borrowed from Late Latin valentia “power, capacity,” noun derivative of Latin valent-, valens, present participle of valēre “to have strength, be well” — more at wield] :  the degree of attractiveness an individual, activity, or thing possesses as a behavioral goal the relative potency of the valences of success and failure — Leon Festinger

Recent Examples of valence from the Web

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Origin and Etymology of valence

borrowed from German Valenz, short for Quantivalenz “(chemical) valence,” borrowed from English quantivalence, from Latin quantus “how much” + -i- -i- + English -valence, noun derivative from -valent, in 1univalent, 1bivalent, etc., on the model of equivalent, equivalence — more at quantity

Other Chemical Engineering Terms


Valence

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geographical name Va·lence \va-ˈläⁿs\

Definition of Valence

  1. commune in southeastern France south of Lyon population 63,405


VALENCE Defined for English Language Learners

valence

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noun

Definition of valence for English Language Learners

  • chemistry : the amount of power of an atom which is determined by the number of electrons the atom will lose, gain, or share when it forms compounds


Medical Dictionary

valence

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noun va·lence \ˈvā-lən(t)s\

Medical Definition of valence

  1. 1a:  the degree of combining power of an element or radical as shown by the number of atomic weights of a monovalent element (as hydrogen) with which the atomic weight of the element or the partial molecular weight of the radical will combine or for which it can be substituted or with which it can be comparedb:  a unit of valence the four valences of carbon

  2. 2a:  relative capacity to unite, react, or interact (as with antigens or a biological substrate)b:  the degree of attractiveness an individual, activity, or object possesses as a behavioral goal the relative potency of the valences of success and failure—Leon Festinger



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