n.
Pronunciation: ' an-ti-j ə n, - ˌ jen
Function: noun
Etymology: German, from French antigène, from anticorps antibody + -gène -gen
Date: 1908
: any substance (as an immunogen or a hapten) foreign to the body that evokes an immune response either alone or after forming a complex with a larger molecule (as a protein) and that is capable of binding with a product (as an antibody or T cell) of the immune response specifically : IMMUNOGEN
– an · ti · gen · ic \ ˌ an-ti- ' je-nik \ adjective
– an · ti · gen · i · cal · ly \ -ni-k( ə -)l ē \ adverb
– an · ti · ge · nic · i · ty \ -j ə - ' ni-s ə -t ē \ noun