presystole

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

Medical Definition of presystole

: the interval just preceding cardiac systole

Learn More about presystole

Cite this Entry

“Presystole.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/presystole. Accessed 31 Oct. 2020.

Comments on presystole

What made you want to look up presystole? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Here Be Dragons: A Creature Identification Quiz

  • monster werewolf photo
  • Which is a synonym of werewolf?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!