Main Entry: elec·tro·ret·i·no·graph Pronunciation: -"graf Function: noun : an instrument for recording electrical activityin the retina —elec·tro·ret·i·no·graph·ic/-"ret-&n-&-'graf-ik/adjective —elec·tro·ret·i·nog·ra·phy/-&n-'äg-r&-fE/nounplural-phies