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electroretinograph

American  
[ih-lek-troh-ret-n-uh-graf, -grahf] / ɪˌlɛk troʊˈrɛt n əˌgræf, -ˌgrɑf /

noun

Ophthalmology.
  1. an instrument that measures the electrical response of the retina to light stimulation.


Other Word Forms

Etymology

Origin of electroretinograph

First recorded in 1960–65; electro- + retin(a) ( def. ) + -o- ( def. ) + -graph

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