鏡きょう像ぞう

noun

mirror image; reflection in a mirror

General term for an image reflected in a mirror or any mirrored surface; also used figuratively for something that closely resembles another.

• 湖こ面めんに映うつった山やまの鏡きょう像ぞうが美うつくしい。

  The mirror image of the mountain reflected on the lake surface is beautiful.

• 彼かれの行こう動どうは父ちち親おやの鏡きょう像ぞうのようだ。

  His behavior is like a mirror image of his father's.

noun

mirror image (math); inverse (of a point)

In mathematics, refers to the mirror image of a point or figure across a line or plane; also used for the inverse of a point with respect to a circle or sphere.

• 点てんPの直ちょく線せんlに関かんする鏡きょう像ぞうを求もとめよ。

  Find the mirror image of point P with respect to line l.