/ Dictionary / Index E electroretinogram: Meaning and Definition of Find definitions for: e•lec•tro•ret•i•no•gram Pronunciation: (i-lek"trō-ret'n-u-gram"), [key] — n. Ophthalm. the graphic record obtained by electroretinography. Abbr.: ERG Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: electroretinogram (Thesaurus) electrorefining electroretinograph Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language