Symmetric
Part of speech: adjective
Definition: Symmetrical. Of a relation R on a set S, such that xRy if and only if yRx for all members x and y of S (that is, if the relation holds between any element and a second, it also holds between the second and the first).
Symmetrical
Part of speech: adjective
Definition: Exhibiting symmetry; having harmonious or proportionate arrangement of parts; having corresponding parts or relations