deformity

1. N-COUNT A deformity is a part of someone's body which is not the normal shape because of injury or illness, or because they were born this way. 畸形

...facial deformities in babies. …婴儿的面部畸形。

2. N-UNCOUNT Deformity is the condition of having a deformity. 畸形状态

The object of these movements is to prevent stiffness or deformity of joints. 这些活动的目的是防止关节僵硬或变形。