A polymerization in which a cyclic monomer yields a monomeric unit which is acyclic or contains fewer cycles than the monomer.
Note:
If the @M04017@ is polycyclic, the opening of a single ring is sufficient to classify the reaction as ring-opening @P04740@.
Source:
PAC, 1996, 68, 2287. 'Glossary of basic terms in polymer science (IUPAC Recommendations 1996)' on page 2308 (https://doi.org/10.1351/pac199668122287)