…In geometry, symmetry refers to bilateral symmetry, point symmetry, etc. The word originates from the ancient Greek word symmetria, which refers to the state in which the size of an object can be measured (divisible - commensurable) with a common scale, and also meant maintaining a certain proportion relative to a certain standard, as well as the aesthetic and cosmic harmony that such proportion guarantees. Geometric symmetry is only a part of the original meaning of the word, and it was only in the modern era that it was limited to this definition. … *Some of the terminology explanations that mention "symmetria" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…幾何学でいう左右対(相)称,点対称など(対称)。古代ギリシア語の〈シュンメトリアsymmetria〉が語源で,これは事物の大きさがある共通の尺度で測り切れる(割り切れる――通約)状態を指し,さらにある基準に対して一定の比例を保つこと,またそのような比例の保証する美的・宇宙的調和をも意味した。幾何学的対称はこの本来の語義の一部にすぎず,このように限定されたのは近世以後のことである。… ※「symmetria」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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