fasciculation

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, in the meaning defined above

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The first known use of fasciculation was in 1938

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More Definitions for fasciculation

fasciculation

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

More from Merriam-Webster on fasciculation

Britannica.com: Encyclopedia article about fasciculation

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