tautochrone

== English == === Etymology === From Ancient Greek ταὐτός (tautós, “the same”) + χρόνος (khrónos, “time”). === Pronunciation === === Noun === tautochrone (plural tautochrones) (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 ==== Derived terms ==== === References === “tautochrone”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. == French == === Pronunciation === IPA(key): /tɔ.tɔ.kʁɔn/, /to.tɔ.kʁɔn/ === Adjective === tautochrone (plural tautochrones) tautochronous === Noun === tautochrone f (plural tautochrones) tautochrone === Further reading === “tautochrone”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012