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English definition of “limescale”

limescale

noun [U] uk   /ˈlaɪm.skeɪl/ us  
white material that collects inside water pipes, kettles, etc. in areas where the water is hard (= contains a lot of natural chemicals)Plumbing and pipes and sewageSpecific chemicals, chemical compounds and gasesSubstances and structures in the bodyTypes of chemical
(Definition of limescale from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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