Symmetry Definition
sĭmĭ-trē
symmetries
noun
symmetries
The correspondence of the form and arrangement of elements or parts on opposite sides of a dividing line or plane or about a center or an axis.
The symmetry of a butterfly's wings.
American Heritage
Condition of being symmetrical.
Webster's New World
A relationship in which there is correspondence or similarity between entities or parts.
The symmetry of the play, which opens and ends with a speech by a female character.
American Heritage
Balance or beauty of form or proportion, esp. as resulting from such correspondence.
Webster's New World
Invariance under transformation. For example, a system that is invariant under rotation has rotational symmetry.
American Heritage
Synonyms:
Other Word Forms of Symmetry
Noun
Singular:
symmetry
Plural:
symmetriesOrigin of Symmetry
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Latin symmetria from Greek summetriā from summetros of like measure sun- syn- metron measure mē-2 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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From Latin symmetria, from Ancient Greek συμμετρία (symmetria), from σύμμετρος (summetros, “symmetrical"), from σύν (sun, “with") + μέτρον (metron, “measure").
From Wiktionary
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