radial

放射状の

一つの中心から広がる、または中心に集まる線に沿って並んでいる。

やさしい英語で： Arranged in lines that spread out from, or meet at, one central point.

• The petals form a radial pattern.
• A starfish has radial symmetry.
• The wheel's radial spokes run straight out from the centre.

類義語： radiating

よく使う表現： radial symmetry, radial pattern, radial arrangement

ラジアルの

補強するコードが進行方向に対して直角に配置されたタイヤの。

やさしい英語で： Describing a tyre strengthened with cords running across it, at right angles to the direction of travel.

• The car has radial tyres.
• Radial construction helps the tyre keep its shape.
• Most drivers now use radial tyres rather than cross-ply ones.

反対語： cross-ply

よく使う表現： radial tyre, radial tire, radial construction

半径の、半径方向の

円や球の中心から端までを結ぶ直線に関する。

やさしい英語で： Related to a straight line from the centre of a circle or sphere to its edge.

• Measure the radial distance from the centre.
• The diagram shows the circle's radial dimensions.
• We calculated the radial length of each section.

よく使う表現： radial distance, radial length, radial coordinate

半径方向の

中心へまっすぐ向かう、または中心から離れる方向に動いたり働いたりする。

やさしい英語で： Moving or acting directly towards or away from a central point.

• The particles show radial motion.
• We measured the star's radial velocity.
• A radial force pushes the ball towards the centre.

反対語： tangential

よく使う表現： radial velocity, radial motion, radial force

ラジアルタイヤ

補強するコードを進行方向に対して直角に配置したタイヤ。

やさしい英語で： A tyre strengthened with cords running across it, at right angles to the direction of travel.

• The mechanic fitted a new radial.
• All four wheels have steel-belted radials.
• These radials should last longer than the old tyres.

類義語： radial tyre, radial tire

よく使う表現： steel belted radial, fit a radial, new radial

放射状部材

車輪のスポークのように、中心から外へ伸びる部材。

やさしい英語で： A part, such as a wheel spoke, that extends outwards from a central point.

• One radial connects the hub to the rim.
• The diagram marks each radial with a number.
• Several radials extend from the central ring.

よく使う表現： a wheel radial, a single radial

ラジアル線

無線アンテナの根元から外へ張り、電気的な接地を行う線。

やさしい英語で： A wire laid out from the base of a radio antenna to provide an electrical connection to earth.

• Lay each radial along the ground.
• The antenna needs several copper radials.
• We buried the radials around the base of the mast.

類義語： ground wire

よく使う表現： ground radial, antenna radial, buried radial