symmetry

Noun
  1. (mathematics) an attribute of a shape or relation;
    Exact reflection of form on opposite sides of a dividing line or plane (synset 105071996)
  2. Balance among the parts of something (synset 113921008)
  3. (physics) the property of being isotropic;
    Having the same value when measured in different directions (synset 104924616)

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