pre-polymer

https://doi.org/10.1351/goldbook.P04817
A polymer or oligomer composed of pre-polymer molecules.
Source:
PAC, 1996, 68, 2287. 'Glossary of basic terms in polymer science (IUPAC Recommendations 1996)' on page 2304 (https://doi.org/10.1351/pac199668122287)