quē​sǔn

defect

缺损 (缺損) quē​sǔn
defect verb
a physical or structural deficiency or an area of loss, often in a medical or technical context

Congenital bone defects need to be repaired through surgery.

defective verb
incomplete or damaged due to missing or broken parts

Books with damaged covers are usually sold at a discount.

Frequency

Movie subtitles
0.660 per million appears in 0% of films
Written text
6.82 per million

Sources

Definitions
CC-CEDICT