limescale

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Chemistry, Cleaning

lime·scale /ˈlaɪmskeɪl/ noun [uncountable] British English  HCDHCa hard white or grey substance that forms on the inside of pipes, taps, and water containers 水垢

Examples from the Corpus

limescale• The main enemy of these pumps is limescale, so consider a magnetic device on the feed into your pump.• There was a lot of limescale on the bath.• This unit removes calcium and magnesium from the water, preventing limescale from building up in the machine and on your tableware.• I just scrub and scrub, I've got all the limescale off the bath.

lime·scale nounChineseSyllable  

white Corpus substance hard a or that grey

limescale
lime‧scale /ˈlaɪmskeɪl/ noun [uncountable] British English
a hard white or grey substance that forms on the inside of pipes, taps, and water containers

lime·scaleBrE /ˈlaɪmskeɪl/ 🔊NAmE /ˈlaɪmskeɪl/ 🔊 noun [uncountable] (BrE) the hard white substance that is left by water on the inside of pipes, etc. （管道等内的）水垢