symmetry

対称性

二つの半分が、形とその鏡像のように対応していること。

やさしい英語で： An arrangement where two halves have matching shapes, like a shape and its reflection in a mirror.

• The butterfly’s wings show symmetry.
• The two sides of her face have almost perfect symmetry.
• Draw a line of symmetry through the shape.

反対語： asymmetry

よく使う表現： bilateral symmetry, facial symmetry, line of symmetry

均整、調和

物事の各部分が、心地よく釣り合っていること。

やさしい英語で： A pleasing balance between the different parts of something.

• The design has a pleasing symmetry.
• She admired the symmetry of the building’s proportions.
• The story’s beginning and ending create a sense of symmetry.

使い方： symmetry of something (We admired the symmetry of the overall design.)

類義語： balance, harmony

反対語： asymmetry

よく使う表現： symmetry of something, pleasing symmetry, sense of symmetry

対称性、放射相称

似た部分が、中心の点や線の周りに繰り返し並ぶこと。

やさしい英語で： An arrangement in which similar parts repeat around a central point or line.

• This flower has radial symmetry.
• The starfish shows symmetry around its centre.
• The pattern’s rotational symmetry makes it look unchanged after a turn.

使い方： symmetry around something (The design has symmetry around a central point.)

反対語： asymmetry

よく使う表現： radial symmetry, rotational symmetry, symmetry around something