出典:Wiktionary
出典:『Wiktionary』 (2026/02/08 17:40 UTC 版)
From Latin symmetria, from Ancient Greek συμμετρία (summetría), from σύμμετρος (súmmetros, “symmetrical”), from σύν (sún, “with”) + μέτρον (métron, “measure”). By surface analysis, sym- + -metry.
symmetry (countable and uncountable, plural symmetries)
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