肺活量 Traditional form: 肺活量 Pinyin (reading): fèihuóliàng Definitions: (medicine) vital capacity Characters: 肺 - lungs 活 - to exist, to live, to survive; living, working 量 - measure, volume; amount, quantity Traditional characters: 肺 - lungs 活 - to exist, to live, to survive; living, working 量 - measure, volume; amount, quantity