peter medawar peter mark roget • peter minnewit · · · Info · Definitions · Characters · · peter medawar · · Text Common · · Latin · · Scripts 13 · · Length 5 · · Syllables Definitions · · · (noun) British immunologist (born in Brazil) who studied tissue transplants and discovered that the rejection of grafts was an immune response (1915-1987). Synonyms: Medawar, Peter Medawar, Sir Peter Brian Medawar. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 m latin small letter m U+006D p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 w latin small letter w U+0077