lithophane
/ˈlɪθəfeɪn/Definitions
1. noun
A thin translucent or transparent object, especially a piece of glass, that is cut or engraved to allow light to pass through and create an image or design, typically when illuminated from behind.
“The artist used a lithophane to create an intricate design on the museum’s gallery wall.”
2. verb
To create a design or image using a lithophane or a similar technique.
“The designer lithophaned the logo onto the glass surface to make it glow in the dark.”