https://doi.org/10.1351/goldbook.08969
Species formed by the rearrangement or fragmentation of a primary species that is capable of initiating a polymerization.
Note:
The term 'secondary species' is also used to designate a species centred on a secondary carbon atom, e.g., a propan-2-yl radical.
The term 'secondary species' is also used to designate a species centred on a secondary carbon atom, e.g., a propan-2-yl radical.
See: primary species