Term: cyclopolymerization https://doi.org/10.1351/goldbook.C01505 Definition: A polymerization in which the number of cyclic structures in the constitutional units of the resulting macromolecules is larger than in the monomer molecules. Related Terms: 1) polymerization (http://doi.org/10.1351/goldbook.P04740). 2) constitutional units (http://doi.org/10.1351/goldbook.C01288). 3) macromolecules (http://doi.org/10.1351/goldbook.M03667). 4) monomer molecules (http://doi.org/10.1351/goldbook.M04019). Source: PAC, 1996, 68, 2287. 'Glossary of basic terms in polymer science (IUPAC Recommendations 1996)' on page 2306 (https://doi.org/10.1351/pac199668122287) Citation: 'cyclopolymerization' 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.C01505 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.