Free variable

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A variable that is not bound to a storage location.
  2. 2
    A variable (occurring within some expression or well-formed formula) which is not bound by a quantifier or analogous symbol (such as a lambda abstractor, the "differential d" near the end of an integral or differential form, or a summation symbol).