Meaning of SYMMETRICAL in English

sə̇ˈme.trə̇kəl, -rēk- adjective

or sym·met·ric -rik, -rēk

Etymology: symmetry + -ical or -ic

1. : having or involving symmetry : exhibiting symmetry : exhibiting correspondence in size and shape of parts : balanced , regular

the human body is symmetrical

crystals are often symmetrical

a symmetrical garden

a symmetrical grouping

2. : having corresponding points whose connecting lines are bisected by a given point or perpendicularly bisected by a given line or plane — used of geometrical figures


a. : being of such nature that the terms may be interchanged without altering the value, character, or truth — used especially of mathematical relations, functions, and equations

c.f(a+b) is symmetrical with respect to a and b but not generally with respect to a and c

b. : commensurable


a. of a shoot or other plant part : capable of division by a longitudinal plane into similar halves — compare antinomorphic, zygomorphic

b. of a flower : having the same number of members in each whorl of floral leaves — compare regular 2c

5. : affecting corresponding parts simultaneously and similarly

symmetrical gangrene of the legs

6. : exhibiting symmetry in the structural formula ; especially : relating to derivatives in which groups are substituted symmetrically in the molecule

symmetrical dichloro-ethylene ClCH . CHCl

symmetrical or 1,3,5-trinitro-benzene

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.