solarization

US /ˌsoʊ.lɚ.əˈzeɪ.ʃən/
UK /ˌsoʊ.lɚ.əˈzeɪ.ʃən/
"solarization" picture
1.

the process of exposing something to sunlight, especially for therapeutic purposes or to achieve a particular effect in photography or agriculture

:
The photographer used solarization to create a unique artistic effect in the image.
Solarization of soil is an effective method for pest control in agriculture.