necrophagy
/nɪˈkrɒfədʒi/ /nɛˈkrɒfədʒi/Zoology and Ecology
noun
The condition of being necrophagous; the eating of dead bodies or decaying animal tissue.
Origin
1950s; earliest use found in Ecological Monographs. From necro- + -phagy, after necrophagous.