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English definition of “symmetry”

symmetry

noun [U]     /ˈsɪm.ə.tri/
the quality of having parts that match each other, especially in a way that is attractive , or similarity of shape or contents : The design of the house had a pleasing symmetry, its oblong shape being picked up in its elongated windows . → Compare asymmetry (asymmetric)Balance and imbalance specialized mathematics in mathematics , the quality of having two parts that match exactly , either when one half is like an image of the other half in a mirror , or when one part can take the place of another if it is turned 90° or 180 °Parts of geometrical shapes symmetrical     /sɪˈmet.rɪ.kəl/ adjective (also symmetric) symmetrically     /sɪˈmet.rɪ.kəl.i/ adverb Balance and imbalance
(Definition of symmetry noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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