brachistochrone

== English == === Etymology === From Ancient Greek βράχιστος (brákhistos, “shortest”) + χρόνος (khrónos, “time”). The term was coined by Johann Bernoulli. === Pronunciation === (UK) IPA(key): /bɹəˈkɪstəkɹəʊn/ (US) IPA(key): /bɹæˈkɪstəkɹoʊn/ === Noun === brachistochrone (plural brachistochrones) (mathematics) A cycloid; the curve of fastest descent between two points. ==== Translations ==== === References ===