n.
Pronunciation: ' r ē -n ə - ˌ gram
Function: noun
Date: 1952
: a photographic depiction of the course of renal excretion of a radiolabeled substance
– re · no · graph · ic \ ˌ r ē -n ə - ' gra-fik \ adjective
– re · nog · ra · phy \ r ē - ' nä-gr ə -f ē \ noun