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
i-ˌlek-trō-ˌmī-ə-ˈgra-fik How to pronounce electromyograph (audio)
adjective
electromyographically
i-ˌlek-trō-ˌmī-ə-ˈgra-fi-k(ə-)lē How to pronounce electromyograph (audio)
adverb
electromyography
i-ˌlek-trō-mī-ˈä-grə-fē How to pronounce electromyograph (audio)
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

Rhymes for electromyograph

See All Rhymes for electromyograph

Browse Nearby Words

electromyogram
electromyograph
electron
See all Nearby Words

Cite this Entry

“Electromyograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electromyograph. Accessed 7 Jul. 2026.

Copy Citation

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
-ˌmī-ə-ˈgraf-ik How to pronounce electromyograph (audio)
adjective
electromyographically
-i-k(ə-)lē How to pronounce electromyograph (audio)
adverb
electromyography
-mī-ˈäg-rə-fē How to pronounce electromyograph (audio)
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!

Popular in Grammar & Usage

See More

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

One-Word Oxymorons: Bittersweet, Spendthrift, and More

Ten Words Ending with a Silent ‘T’

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Is that lie 'bald-faced' or 'bold-faced'?

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
hangman letters and game
Hangman Lightning Round Figure out which word fits in the blanks.
See All