Immunologythe branch of science dealing with the components of the immune system, immunity from disease, the immune response, and immunologic techniques of analysis.
1905–10; immuno- + -logy
im•mu•no•log•ic(im′yə nl oj′ik, i myo̅o̅′-),USA pronunciationim′mu•no•log′i•cal, adj.im′mu•no•log′i•cal•ly, adv. im′mu•nol′o•gist, n.