Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Symmetrical.
  • adj. 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).
  • adj. Using the same key (or keys that are trivially related) for both encryption and decryption.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Symmetrical.

from The Century Dictionary and Cyclopedia

  • Same as symmetrical.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having similarity in size, shape, and relative position of corresponding parts

Etymologies

From Latin symmetria from Ancient Greek συμμετρία (summetria). (Wiktionary)

Examples

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