English Dictionary

tautochrone

noun

(mathematics) A curve, 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.

The tautochrone is a curve in mathematics.

意味（1）

(mathematics) A curve, 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.

An inverted cycloid with its base horizontal is a tautochrone.