chronotropic

== English == === Etymology === From chrono- (“referring to time”) +‎ -tropic (“affecting, changing”), from Ancient Greek χρόνος (khrónos, “time”) +‎ τρόπος (trópos, “turn, direction, way”) +‎ -ικός (-ikós, “-ic”, adjectival suffix). === Pronunciation === (Received Pronunciation) IPA(key): /ˌkɹɒn.əˈtɹɒp.ɪk/, /ˌkɹɒn.əˈtɹəʊ.pɪk/ (General American) IPA(key): /ˌkɹɑn.əˈtɹɑp.ɪk/ Rhymes: -ɒpɪk, -əʊpɪk === Adjective === chronotropic (not comparable) (physiology) Of, relating to, or affecting the rate of muscular contraction, especially of the heart. ==== Translations ==== === References === “chronotropic”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “chronotropic”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.