Symmetric

Table of contents

1 English 1.1 Etymology 1.2 Adjective 1.3 Related words 1.4 See also

English

Etymology

From Latin, summetria , originally from Greek

Adjective

symmetric

1. Same as symmetrical.
2. (mathematics) 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).

   "Is a sibling of" is a symmetric relation.

Related words

• asymmetric
• symmetry

See also

• reflexive
• transitive