Photoreaction

Pronunciation: /ˈfoʊˌtoʊˈɹiækʃən/

Photoreaction (noun)

  1. A chemical change that happens when light energy is absorbed by a substance.
  2. A process in living things where light triggers a change in cells or molecules.

Examples

  • The photoreaction causes a light-driven change in the material.
  • A photoreaction can start a light-driven change when light hits it.