/ ˈsɪmətri; NAmE / noun [ U ]
1.
the exact match in size and shape between two halves, parts or sides of sth :
the perfect symmetry of the garden design
2.
the quality of being very similar or equal :
the increasing symmetry between men's and women's jobs
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WORD ORIGIN
mid 16th cent. (denoting proportion): from French symétrie or Latin symmetria , from Greek , from sun- with + metron measure.