emphysema

Từ điển WordNet v3.1 - WordNet Dictionary

noun

an abnormal condition of the lungs marked by decreased respiratory function;
associated with smoking or chronic bronchitis or old age (Freq. 3)
• Syn:
pulmonary emphysema
• Derivationally related forms:
emphysematous
• Hypernyms:
respiratory disease, respiratory illness, respiratory disorder
• Hyponyms:
chronic obstructive pulmonary disease