diagonal

斜めの

水平と垂直の間、普通はその中間くらいの角度で傾いている。

やさしい英語で： Sloping at an angle, usually about halfway between horizontal and vertical.

• The shirt has diagonal stripes.
• We crossed the field in a diagonal direction.
• Yellow diagonal markings warn drivers to keep the area clear.

類義語： slanting, sloping

よく使う表現： diagonal stripes, diagonal pattern, diagonal direction

対角の

図形の一つの角から、向かい側の角へ伸びている。

やさしい英語で： Going from one corner of a shape to the opposite corner.

• Draw a diagonal line across the square.
• She made a diagonal cut from corner to corner.
• The diagonal measurement is longer than the side.

よく使う表現： diagonal line, diagonal cut, diagonal measurement

対角線

図形の、隣り合っていない二つの角を結ぶ直線。

やさしい英語で： A straight line joining two corners of a shape that are not next to each other.

• Draw a diagonal across the rectangle.
• The two diagonals meet in the middle.
• We measured the diagonal of the square.

使い方： diagonal of something (The diagonal of this square is ten centimetres long.)

よく使う表現： draw a diagonal, diagonal of something, rectangle’s diagonal