bivalence

/baɪˈveɪləns/
noun
  1. The quality or state of having two values, possibilities, or aspects.
    • The bivalence of the chemical element allows it to form two bonds with other atoms.
    • In logic, the principle of bivalence states that every statement is either true or false.
    • Her argument suffered from a false bivalence, ignoring the many shades of gray in the issue.
Synonyms
What does "bivalence" mean? | whatsthatwordmean | whatsthatwordmean