fasciculation

play
noun fas·cic·u·la·tion \ fə-ˌsi-kyə-ˈlā-shən , fa- \

Definition of fasciculation

:muscular twitching involving the simultaneous contraction of contiguous groups of muscle fibers

First Known Use of fasciculation

1938


Medical Dictionary

fasciculation

play
noun fas·cic·u·la·tion \ fə-ˌsik-yə-ˈlā-shən, fa- \

medical Definition of fasciculation

:muscular twitching involving the simultaneous contraction of contiguous groups of muscle fibers

Learn More about fasciculation


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

agreeable, attractive, or delicious

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

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!