LIMESCALE
Meaning of LIMESCALE in English
/ ˈlaɪmskeɪl; NAmE / noun
[ U ] ( BrE ) the hard white substance that is left by water on the inside of pipes, etc.
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005