emphysema
/ˌemfɪˈsiːmə/noun
mass noun Medicine【医】
1
- （亦作 pulmonary emphysema）a condition in which the air sacs of the lungs are damaged and enlarged, causing breathlessness肺气肿。
2
- a condition in which air is abnormally present within the body tissues气肿。
词源
mid 17th cent. (in sense 2)： via late Latin from Greek emphusēma, from emphusan 'puff up'.