inifer

https://doi.org/10.1351/goldbook.08954
Substance that combines the properties of an initiator and a reversible chain-transfer agent.
Example:
An example of an inifer in cationic polymerization is boron trichloride.
Source:
PAC, 2022, 94, 1093. (Terminology for chain polymerization (IUPAC Recommendations 2021)) on page 1121 [Terms] [Paper]