noun
clothoid; Euler spiral; Cornu spiral
A curve whose curvature changes linearly with its length, used in road and railway design for smooth transitions.
高速道路のカーブにはクロソイド曲線がよく使われている。
Clothoid curves are often used in highway curves.
クロソイド曲線は、曲率が弧長に比例する曲線です。
A clothoid curve is a curve whose curvature is proportional to its arc length.