immunosuppression
Concise Oxford English Dictionary © 2008 Oxford University Press:
immunosuppression/ɪmjunəʊsəˈpreʃn/
▶noun Medicine suppression of an immune response, especially as induced to help the survival of an organ after a transplant operation.
– derivatives
immunosuppressant noun,
immunosuppressed adjective,
immunosuppressive adjective & noun.
immunosuppressant noun,
immunosuppressed adjective,
immunosuppressive adjective & noun.
'immunosuppression' also found in these Oxford entries:

