noun🔗Share석회질, 물때A 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. "전기 주전자는 내부에 두꺼운 물때가 쌓여 작동을 멈췄다.substancematerialchemistryutilityChat with AIVocabulary GamePractice Reading