Definition of pulmonary emphysema Pulmonary emphysema

We found 2 definitions of pulmonary emphysema from 2 different sources.

What does pulmonary emphysema mean?

Noun
pulmonary emphysema - an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age
		emphysema
		respiratory disease, respiratory disorder, respiratory illness a disease affecting the respiratory system

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pulmonary emphysema (Noun)
A chronic lung disease characterised by an abnormal increase in the size of the air space s, resulting in laboured breathing and caused by exposure to toxic chemicals, most commonly tobacco smoke.