WordReference Random House Unabridged Dictionary of American English © 2025
am•ni•og•ra•phy
(am′nē og′rə fē),USA pronunciation n., pl. -phies.
- Medicinean x-ray examination of the amniotic sac after the injection of an opaque solution, performed to permit visualization of the umbilical cord and the placenta.
- amnio- (as combining form of amnion) + -graphy 1965–70