symmetric
Contents
English[edit]
Etymology[edit]
From Latin symmetria from Ancient Greek συμμετρία (summetría).
Pronunciation[edit]
 IPA^{(key)}: /sɪˈmɛtɹɪk/
Adjective[edit]
symmetric (comparative more symmetric, superlative most symmetric)
 Symmetrical.
 (set theory) 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.
 (cryptography) Using the same key (or keys that are trivially related) for both encryption and decryption.
Related terms[edit]
Translations[edit]
symmetrical — see symmetrical
of a relation R on a set S, such that xRy if and only if yRx for all members x and y of S
