splashback

listen to the pronunciation of splashback
English - English
A shield of an easily-cleaned material, such as those placed behind an oven top, kitchen sink, and industrial facilities, construction sites etc, in order to catch splashes of liquid

The oven comes complete with a stainless steel splashback.

Splashes of liquid, especially noxious liquid, rebounding from a surface
{i} upright waterproof panel that protects the area above a sink or behind a stove from splashes
A shield of an easily-cleaned material, placed behind an oven top, kitchen sink etc, in order to catch splashes of liquid
Splashes of liquid rebounding from a surface
the area of a bathroom or kitchen wall that is behind the taps and covered in tiles