1. monoclonal

noun. ['ˌmɑːnəˈkloʊnəl'] any of a class of antibodies produced in the laboratory by a single clone of cells or a cell line and consisting of identical antibody molecules.

Rhymes with Monoclonal Antibody

2. antibody

noun. ['ˈæntɪˌbɑːdi, ˈæntiːˌbɑːdi'] any of a large variety of proteins normally present in the body or produced in response to an antigen which it neutralizes, thus producing an immune response.