Oxford Dictionary English limescale nounnoun BrE BrE//ˈlaɪmskeɪl// ; NAmE NAmE//ˈlaɪmskeɪl// [uncountable] (British English) Add to my wordlistjump to other resultsthe hard white substance that is left by water on the inside of pipes, etc.Check pronunciation: limescale oxfordlearnersdictionaries.com
