Definition of antisymmetric
: relating to or being a relation (such as “is a subset of”) that implies equality of any two quantities for which it holds in both directions <the relation R is antisymmetric if aRb and bRa implies a = b>
First Known Use of antisymmetric
Seen and Heard
What made you want to look up antisymmetric? Please tell us where you read or heard it (including the quote, if possible).