symmetry

Pronunciation

• (UK) enPR: sĭʹmĭtrĭ, IPA ^(key): /ˈsɪmɪtri/

• Audio (UK)

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Noun

Singular symmetry

Plural symmetries

1. (uncountable) A balance or harmony of parts.
2. (countable) A division of the body would produce two parts which are mirror images of each other.
3. An arrangement of parts around a central point.

   An orange has symmetry: it is a sphere with segments arranged around a common central line.

   The segments of an orange show symmetry: their shape and relative positions are the same.