splashback

noun

1. (countable, uncountable)Splashes of liquid, especially noxious liquid, rebounding from a surface.
2. (countable)A shield of an easily-cleaned material, such as those placed behind an oven top or kitchen sink and at industrial facilities, construction sites, etc, in order to catch splashes of liquid.

   “The oven comes complete with a stainless steel splashback.”

   “In 1959, for a girl there were toy cookers in clinical white stove enamel, with a time clock set in the splash-back, and with two hot plates which really worked by using special fuel tablets which burnt from ten to 15 minutes.”