Definition of valence in English:

valence

Pronunciation /ˈvāləns/ /ˈveɪləns/

Translate valence into Spanish

noun

  • 1Chemistry Linguistics
    The combining power of an element, especially as measured by the number of hydrogen atoms it can displace or combine with.

    ‘carbon always has a valence of 4’
    • ‘In covalent compounds the valence of an atom may be less obvious.’
    • ‘Addition reactions of inorganic molecules occur when an atom has more than one valence.’
    • ‘The valence of a unit is closely tied up with its dependence.’
    • ‘Thus, the most obvious approach would be to use the Gouy-Chapman equation or its generalized formulation for electrolytes with mixed valences, the Grahame equation.’
    • ‘One rather unsuccessful idea which he embarked on quite late in his career was to apply invariant theory to chemical valences.’
    1. 1.1as modifier Relating to or denoting electrons involved in or available for chemical bond formation.
      ‘molecules with unpaired valence electrons’
      • ‘Nonmetals with eight valence electrons are chemically unreactive.’
      • ‘The electrons in the highest energy level are called valence electrons.’
      • ‘The metalloids have an intermediate number of valence electrons.’
      • ‘Oxygen has six valence electrons.’
      • ‘These superconductors usually contain more oxygen atoms than predicted by valence theory.’
    2. 1.2Linguistics The number of grammatical elements with which a particular word, especially a verb, combines in a sentence.
      ‘The authors compared the responses of 20 highs with 20 lows on ratings of the valence of neutral words that were preceded by subliminal presentations of negative or neutral images.’
      • ‘The valence of specific words and expressions communicates sexual potency and the lack thereof.’
      • ‘Literature has reported valences of five and higher, but no substantiation of these has ever been shown.’
      • ‘The semantic valence attributed to a hieroglyphic language is two-edged.’

Origin

Late Middle English from late Latin valentia ‘power, competence’, from valere ‘be well or strong’.