immunosuppressorn.
/ˌɪmjᵿnəʊsəˈprɛsə/, /ɪˌmjuːnəʊsəˈprɛsə/, U.S. /ˈˌɪmjənoʊsəˈprɛsər/, /ᵻˌmjunoʊsəˈprɛsər/ Medicine and Biology.
An immunosuppressive drug.
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the world > life > biology > biological processes > immunogenesis > [noun] > immune response > suppression of > agent that supresses
immunodepressant1965
immunosuppressor1968
1968 Jrnl. Pediatric Surg. 3 186 Many of the chemotherapeutic agents that are used and are effective [in the treatment of neuroblastoma] are also immunosuppressors.
1982 Amer. Jrnl. Nursing 82 1568/3 When steroids are contraindicated or are ineffective, azathioprine (Imuran) or other immunosuppressors may be considered.
1997 R. Porter Greatest Benefit to Mankind xix. 619 The real breakthrough came in the late 1970s with the application of a new high-powered immunosuppressor, cyclosporine, which became indispensable to further progress in transplanting organs.
This is a new entry (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1968