absolute complement

Noun

 * 1)  The set that contains exactly those elements belonging to the universal set but not to a given set.

Usage notes

 * In mathematical expressions, the absolute complement of a given set A is denoted by "Ac."

Translations

 * Dutch: absoluut complement
 * Japanese:
 * Norwegian:
 * Bokmål: absolutt komplement
 * Romanian: complement absolut