symmetric
English Edit
Etymology Edit
From symmetry + -ic,[1][2] from Latin symmetria, from Ancient Greek συμμετρία (summetría).
Pronunciation Edit
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.
Derived terms Edit
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
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See also Edit
References Edit
- ^ “symmetric, adj.”, in OED Online
[1], Oxford, Oxfordshire: Oxford University Press, launched 2000, archived from the original on 2023-09-19.
- ^ Douglas Harper (2001–2023), “symmetric”, in Online Etymology Dictionary.
