tautochrone
/'tɔ:tәkrәun/
📖 中文释义
- n. [数]等时曲线,等时降落轨迹
📘 English Definition（英文释义）
- n. A curved line, such that a heavy body, descending
- along it by the action of gravity, will always arrive at the lowest
- point in the same time, wherever in the curve it may begin to fall; as,
- an inverted cycloid with its base horizontal is a tautochrone.