involutory
Of a mapping or transformation: being its own inverseOf a mapping or transformation: being its own inverse; being an involution.
Meaning
1 senses(not comparable)Of a mapping or transformation: being its own inverse; being an involution.
Dictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.