tautochrone

From Ancient Greek ταὐτός (tautós, “the same”) + χρόνος (khrónos, “time”).

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tautochrone (plural tautochrones)

1. (mathematics) A curve, such that a weighted 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 begins to fall.

   Synonym: tautochrone curve

   An inverted cycloid with its base horizontal is a tautochrone.

• “tautochrone”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.

• IPA^(key): /tɔ.tɔ.kʁɔn/, /to.tɔ.kʁɔn/

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tautochrone (plural tautochrones)

1. tautochronous

tautochrone f (plural tautochrones)

1. tautochrone

• “tautochrone”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.