# symmetrical

### or sym·met·ric

[ si-me-tri-kuhl or si-me-trik ]

/ sɪˈmɛ trɪ kəl or sɪˈmɛ trɪk /

### adjective

characterized by or exhibiting symmetry; well-proportioned, as a body or whole; regular in form or arrangement of corresponding parts.

Geometry.

- 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 symmetric. Mathematics.

- 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.

Botany.

- 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.

Chemistry.

- 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.

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## Nearby words

## Origin of symmetrical

SYNONYMS FOR symmetrical

Related forms

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Examples from the Web for symmetrically

## British Dictionary definitions for symmetrically

## symmetrical

/ (sɪˈmɛtrɪkəl) /

### adjective

possessing or displaying symmetryCompare asymmetric

maths

- (of two points) capable of being joined by a line that is bisected by a given point or bisected perpendicularly by a given line or planethe points ( x, y ) and ( –x, –y ) are symmetrical about the origin
- (of a configuration) having pairs of points that are symmetrical about a given point, line, or planea circle is symmetrical about a diameter
- (of an equation or function of two or more variables) remaining unchanged in form after an interchange of two variablesx + y = z is a symmetrical equation

chem (of a compound) having a molecular structure in which substituents are symmetrical about the molecule

botany another word for isomerous

Also: symmetric (of a disease, infection, etc) affecting both sides of the body or corresponding parts, such as both legs

Derived Formssymmetrically, adverbsymmetricalness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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## Word Origin and History for symmetrically

Online Etymology Dictionary, © 2010 Douglas Harper