symmetry
Concise Oxford English Dictionary © 2008 Oxford University Press:
symmetry /ˈsɪmɪtri/
▶noun (pl. symmetries) the quality of being made up of exactly similar parts facing each other or around an axis.
■ correct or pleasing proportion of parts.
■ similarity or exact correspondence.
■ Physics & Mathematics the property of being unchanged by a given operation or process.
– derivatives
symmetrize (or symmetrise) verb.
symmetrize (or symmetrise) verb.
– origin C16: from Fr. symétrie or L. symmetria, from Gk, from sun- ‘with’ + metron ‘measure’.
'symmetry' also found in these Oxford entries:
actinomorphic
- antisymmetric
- asymmetrical
- asymmetry
- axion
- axis
- bilateral symmetry
- crystal class
- dissymmetry
- midline
- mirror symmetry
- paraboloid
- pentameral
- radial symmetry
- reflection
- regular
- s
- snowflake
- supersymmetry
- sym-
- symmetrical

