photoinitiation

https://doi.org/10.1351/goldbook.P04619
The photoproduction of a
free radical
or ion capable of initiating a
chain reaction
such as a
polymerization
.
See:
photoinduced polymerization
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2261 [Terms] [Paper]