electromyograph

noun

elec·​tro·​myo·​graph i-ˌlek-trō-ˈmī-ə-ˌgraf How to pronounce electromyograph (audio)
: an instrument that converts the electrical activity associated with functioning skeletal muscle into a visual record or into sound and is used to diagnose neuromuscular disorders and in biofeedback training
electromyographic adjective
electromyographically adverb
electromyography noun

Word History

Etymology

electr- + my- + -graph

First Known Use

1944, in the meaning defined above

Time Traveler
The first known use of electromyograph was in 1944

Browse Nearby Words

Cite this Entry

“Electromyograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electromyograph. Accessed 5 Jul. 2026.

Medical Definition

electromyograph

noun
elec·​tro·​myo·​graph -ˌgraf How to pronounce electromyograph (audio)
: an instrument that converts the electrical activity associated with functioning skeletal muscle into a visual record or into sound and has been used to diagnose neuromuscular disorders and in biofeedback training
electromyographic adjective
electromyographically adverb
electromyography noun
plural electromyographies
Love words? Need even more definitions?

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

More from Merriam-Webster