su·per·fe·ta·tion 
(s′pər-fē-tāshən)
(s′pər-fē-tāshən)n.
Formation or development of a second fetus when one is already present in the uterus, occurring normally in certain vertebrate species.
- photolithograph
- photolithographer
- photolithographic
- photolithographically
- photolithography
- photolysis
- photolytic
- photolytically
- photomap
- photomechanical
- photomechanically
- photometer
- photometric
- photometrical
- photometrically
- photometric brightness
- photometrist
- photometry
- photomicrograph
- photomicrographer
- photomicrographic
- photomicrography
- photomicroscope
- photomicroscopic
- photomontage