Category:Tautochrone

Tau"to*chrone, n. Etym: [gr. tautochrone.] (math.)

Defn: 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.