sys·​to·​le | \ ˈsi-stə-(ˌ)lē How to pronounce systole (audio) \

Definition of systole

: a rhythmically recurrent contraction especially : the contraction of the heart by which the blood is forced out of the chambers and into the aorta and pulmonary artery — compare diastole

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Other Words from systole

systolic \ si-​ˈstä-​lik How to pronounce systole (audio) \ adjective

Examples of systole in a Sentence

Recent Examples on the Web The researchers found that during systole, people tended to perceive fearful faces more intensely. Quanta Magazine, 6 July 2020 Instead, the participants responded more fearfully to all the shapes that were presented at systole. Quanta Magazine, 6 July 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'systole.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of systole

1565, in the meaning defined above

History and Etymology for systole

Greek systolē, from systellein to contract, from syn- + stellein to send

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Time Traveler for systole

Time Traveler

The first known use of systole was in 1565

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Dictionary Entries Near systole

systems analysis



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Cite this Entry

“Systole.” Dictionary, Merriam-Webster, Accessed 18 Sep. 2021.

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More Definitions for systole


sys·​to·​le | \ ˈsis-tə-(ˌ)lē How to pronounce systole (audio) \

Medical Definition of systole

: the contraction of the heart by which the blood is forced onward and the circulation kept up — compare diastole sense 1

Other Words from systole

systolic \ sis-​ˈtäl-​ik How to pronounce systole (audio) \ adjective

More from Merriam-Webster on systole

Britannica English: Translation of systole for Arabic Speakers Encyclopedia article about systole


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