characterized by or exhibiting symmetry; well-proportioned, as a body or whole; regular in form or arrangement of corresponding parts.
Points
noting two points in a plane such that the line segment joining the points is bisected by an axis:Points(1, 1) and (1, −1) are symmetrical with respect to the x-axis.
noting a set consisting of pairs of points having this relation with respect to the same axis.
noting two points in a plane such that the line segment joining the points is bisected by a point or center:The points(1, 1) and (−1, −1) are symmetrical with respect to (0, 0).
noting a set consisting of pairs of points having this relation with respect to the same center.
Often,
noting a square matrix that is equal to its transpose.
noting a dyad or dyadic that is equal to its conjugate.
noting a relation in which one element in relation to a second implies the second in relation to the first.
divisible into two similar parts by more than one plane passing through the center; actinomorphic.
(of a flower) having the same number of parts in each whorl.
having a structure that exhibits a regular repeated pattern of the component parts.
noting a benzene derivative in which three substitutions have occurred at alternate carbon atoms.
affecting corresponding parts simultaneously, as certain diseases.