abnormality
noun [ C or U ] uk/ˌæb.nɔːˈmæl.ə.ti/ us/ˌæb.nɔːrˈmæl.ə.t̬i/
（通常指身体的）反常；异常；变态；紊乱
something abnormal, usually in the body
genetic/congenital abnormalities 遗传变异／先天畸形
An increasing number of tests are available for detecting foetal abnormalities. 检测胎儿畸形的方法越来越多。
The X-rays showed some slight abnormality. X光检查显示有轻度畸形。