noun
an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age (Freq. 1)
• Syn: ↑emphysema
• Derivationally related forms: ↑emphysematous (for: ↑emphysema)
• Hypernyms: ↑respiratory disease, ↑respiratory illness, ↑respiratory disorder
• Hyponyms: ↑chronic obstructive pulmonary disease
Useful english dictionary. 2012.