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Definition of limescale noun from the Oxford Advanced Learner's Dictionary

limescale

noun
 
/ˈlaɪmskeɪl/
 
/ˈlaɪmskeɪl/
[uncountable] (British English)
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  1. the hard white substance, mainly consisting of calcium carbonate, that is left by water on the inside of pipes, etc.
era
noun
 
 
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