chronotropic

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

that affects heart rate

Portuguese: cronotrópico

References

“chronotropic”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
“chronotropic”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.