noun🔗ShareCal, sarroA white, chalky deposit of calcium carbonate found in kettles, washing machines etc., especially in a hard water area."The electric kettle stopped working because thick limescale had built up inside. "La tetera eléctrica dejó de funcionar porque se había acumulado una gruesa capa de sarro en su interior.substancematerialchemistryutilityChat with AIVocabulary GamePractice Reading