ingravescent
/ˌɪngrəˈvesənt/adjective
- Medicine (of a condition or symptom) gradually increasing in severity【医】（病情, 症状）逐渐恶化的, 渐渐加重的。
派生词
ingravescence
noun词源
early 19th cent.: from Latin ingravescent- 'growing heavy or worse', from the verb ingravescere （based on gravis 'heavy'）.