Added 9 October 2026

symmetry

/ˈsɪm.ɪ.tɹaɪ/ noun

In Latin: symmetria Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about symmetry at Wordnik → Where our words come from →

(mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane.
Balance among the parts of something.
(physics) the property of being isotropic; having the same value when measured in different directions.

Origin

From Latin symmetria, from Ancient Greek συμμετρία (summetría), from σύμμετρος (súmmetros, “symmetrical”), from σύν (sún, “with”) + μέτρον (métron, “measure”). By surface analysis, sym- + -metry.

From Wiktionary, via Kaikki.org (CC BY-SA)

Back to today's word

symmetry

noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about symmetry at Wordnik → Where our words come from →

Origin

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about symmetry at Wordnik → Where our words come from →