Definition of electronegativity in US English:

electronegativity

noun

Chemistry
  • The degree to which an element tends to gain electrons and form negative ions in chemical reactions.

    ‘the high electronegativity of fluorine atoms’

Pronunciation

electronegativity

/əˌlektrōˌneɡəˈtivədē//əˌlɛktroʊˌnɛɡəˈtɪvədi/