noun 다운로드 🔗공유 석회질, 물때 A white, chalky deposit of calcium carbonate found in kettles, washing machines etc., especially in a hard water area. Examples : "The electric kettle stopped working because thick limescale had built up inside. " 전기 주전자는 내부에 두꺼운 물때가 쌓여 작동을 멈췄다. substance material chemistry utility AI와 채팅어휘 게임독해 연습