Term: hybridoma https://doi.org/10.1351/goldbook.H02875 Definition: A hybrid cell line resulting from the fusion of a specific antibody-producing spleen cell (lymphocyte) with a myeloma cell, which has the growth characteristics of the myeloma component and the antibody-secreting characteristics of the lymphocyte, and will multiply to become a source of pure monoclonal antibody. Related Terms: 1) cell line (http://doi.org/10.1351/goldbook.CT06816). 2) antibody (http://doi.org/10.1351/goldbook.A00384). 3) monoclonal antibody (http://doi.org/10.1351/goldbook.M04010). Source: PAC, 1992, 64, 143. 'Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)' on page 156 (https://doi.org/10.1351/pac199264010143) Citation: 'hybridoma' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.H02875 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.