apex

絶頂、最盛期

人や物事が最も成功している、または最も力を持つ時期。

やさしい英語で： The time or stage when someone or something is most successful or powerful.

• The empire reached its apex under this ruler.
• At the apex of his career, he retired.
• The victory marked the apex of her sporting success.

使い方： the apex of something (She was at the apex of her career.)

類義語： peak, height, pinnacle

反対語： nadir

よく使う表現： apex of power, apex of success, reach the apex

頂点、頂上

物の最も高い部分。特に先がとがっている所。

やさしい英語で： The highest part of something, especially where it forms a point.

• The roof rises to an apex.
• A bird perched at the apex of the arch.
• The tower’s apex was hidden by clouds.

使い方： the apex of something (A flag flew at the apex of the roof.)

類義語： top, peak, summit

反対語： base

よく使う表現： the apex, apex of something, roof apex

頂点

円すいや角すいで、底面の反対側にある先端の点。

やさしい英語で： The point at the top of a cone or pyramid, opposite its base.

• Mark the apex of the pyramid.
• A line joins the cone’s apex to its base.
• The two pyramids meet at their apexes.

使い方： the apex of something (Measure the distance from the apex of the cone to its base.)

類義語： vertex

反対語： base

よく使う表現： apex of a cone, the pyramid apex, apex angle

クリッピングポイント

レースで曲がる際、走行ラインがカーブの内側に最も近づく点。

やさしい英語で： The point on a racing path through a corner that is closest to the inside edge.

• The driver missed the apex.
• She braked early and hit the apex perfectly.
• A late apex helped him accelerate out of the corner.

類義語： peak, top, summit, vertex

よく使う表現： hit the apex, miss the apex, a late apex