/fɒtəˈlaɪtɪk/ (fot-uh-LY-tik)

Definitions

1. adjective

relating to the action of light on a substance, especially the breaking down of a chemical compound by light.

“The photolytic reaction led to the formation of free radicals in the atmosphere.”

2. noun

an agent or process that causes photolysis.

“The photolytic agent was a key component in the chemical reactor.”