adj · 1 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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Received-Pronunciation:/ˌkɹɒn.əˈtɹɒp.ɪk/
Received-Pronunciation:/ˌkɹɒn.əˈtɹəʊ.pɪk/
General-American:/ˌkɹɑn.əˈtɹɑp.ɪk/
rhymes with -ɒpɪk
rhymes with -əʊpɪk
1
adj
Meaning 1
Of, relating to, or affecting the rate of muscular contraction, especially of the heart.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: medicine, physiology, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
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).
Across languages
Translations
1 source translations are retained for this English entry.
Portuguese:
cronotrópico
— that affects heart rate