Emphysema (noun)

1. A chronic lung condition characterized by difficulty breathing due to damage to the air sacs.
2. The abnormal enlargement of the air spaces in the lungs beyond their normal boundaries.

Origin:

From greek ἐμφύσημα (emphusēma, "inflation"), from ἐμφυσάω (emphusaō, "inflat.e")

Examples:

1. He was diagnosed with emphysema caused by smoking.
2. She had emphysema, which made it hard for her to breathe.
3. The disease causes damage to the air sacs in the lungs, called emphysema.
4. Emphysema can lead to difficulty breathing and chronic cough.
5. The patient's emphysema was caused by exposure to pollutants.