ə̇¦lektrō¦ret( ə )nəˌgraf, ē¦l- noun
( -es )
Etymology: electr- + retin- (II) + -graph
: an instrument for recording electrical activity in the retina
• elec·tro·ret·i·no·graph·ic -ˌret( ə )nə¦grafik adjective
• elec·tro·ret·i·nog·ra·phy -( ə )nˈägrəfē noun