名詞 emphysema:

1. an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age
   同義詞：pulmonary emphysema

em.phy.se.ma

n.（名詞）
A pathological condition of the lungs marked by an abnormal increase in the size of the air spaces, resulting in labored breathing and an increased susceptibility to infection. It can be caused by irreversible expansion of the alveoli or by the destruction of alveolar walls.
肺氣腫：肺部的一種病態(tài)，特征為肺中的空間不正常地增大，導(dǎo)致呼吸困難并且易于受感染。它是由肺小泡的不可逆的擴(kuò)張或肺小泡壁被破壞而引起的
An abnormal distention of body tissues caused by retention of air.
氣腫：因空氣滯留而引起的體組織的不正常的擴(kuò)張

來源：
Greek emphusôma [inflation]
希臘語 emphusôma [膨脹]
from emphusan [to blow in]
源自 emphusan [吹進(jìn)]
en- [in] * see en- 2
en- [在…里] *參見 en-2
phôs3n [to blow] from phusa [bellows, bladder]
phôs3n [吹] 源自 phusa [吼聲，氣泡]

【引伸】
em.physem.atous
em.physe.mic
adj.（形容詞）
n.（名詞）