气雾室 Traditional form: 氣霧室 Pinyin (reading): qìwùshì Definitions: cloud chamber Characters: 气 - air, gas; steam, vapor; anger 雾 - fog, mist, vapor, fine spray 室 - house, home; room, chamber Traditional characters: 氣 - air, gas; steam, vapor; anger 霧 - fog, mist, vapor, fine spray 室 - house, home; room, chamber