having a reaction to, or able to be affected by, light

In a photosensitive way.

Photosensitivity.

(chemistry) A molecular or atomic species that initiates a photochemical reaction

The acquisition of photosensitivity / (chemistry) The transfer of a photon from one excited state to another, which then undergoes a reaction

(transitive) to make something photosensitive

sensitivity to light, especially a heightened response to light

plural of photosensitizer

simple past tense and past participle of photosensitize

That has been made photosensitive