necrosis
Concise Oxford English Dictionary © 2008 Oxford University Press:
necrosis /nɛˈkrəʊsɪs/
▶noun Medicine the death of most or all of the cells in tissue or an organ due to disease, injury, or failure of the blood supply.
– derivatives
necrotic adjective.
necrotic adjective.
'necrosis' also found in these Oxford entries:

