emphysema
Concise Oxford English Dictionary © 2008 Oxford University Press:
emphysema /ˌɛmfɪˈsiːmə/
▶noun Medicine
- 1 (also pulmonary emphysema) a condition in which the air sacs of the lungs are damaged and enlarged, causing breathlessness.
- 2 a condition in which air is abnormally present within the body tissues.
– origin C17: via late L. from Gk emphusēma, from emphusan ‘puff up’.
'emphysema' also found in these Oxford entries:

