electroretinograph

noun

: an instrument for recording electrical activity in the retina

Word History

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of electroretinograph was in 1962

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Cite this Entry

“Electroretinograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electroretinograph. Accessed 3 Aug. 2026.

Medical Definition

electroretinograph

noun
elec·​tro·​ret·​i·​no·​graph -ˌgraf How to pronounce electroretinograph (audio)
: an instrument for recording electrical activity in the retina
electroretinography noun
plural electroretinographies
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