adjective 1.characterized by or exhibiting symmetry; well-proportioned, as a body or whole; regular in form or arrangement of corresponding parts.
2.Geometry.a.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. b.noting a
set consisting of pairs of points having this relation with respect to the same axis.
c.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). d.noting a set consisting of pairs of points having this relation with respect to the same center.
3.Often, symmetric. Mathematics.a.noting a square matrix that is equal to its transpose.
b.noting a dyad or dyadic that is equal to its conjugate.
c.noting a relation in
which one element in relation to a second implies the second in relation to the first.
4.Botany.a.divisible into two similar parts by more than one plane passing through the center; actinomorphic.
b.(of a flower) having the same number of parts in each whorl.
5.Chemistry.a.having a structure that exhibits a regular repeated pattern of the component parts.
b.noting a benzene derivative in which three substitutions have occurred at alternate carbon atoms.
6.affecting corresponding parts simultaneously, as certain diseases.
Also, symmetric.
Related forms symmetrically, adverb
symmetricalness, noun
nonsymmetrical, adjective
unsymmetrical, adjective
unsymmetrically, adverb
Synonyms
1. balanced, orderly, regular, congruent.