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English definition of “defect”

defect

noun [C]  /ˈdi·fekt, dɪˈfekt/ us  

defect noun [C] (SOMETHING WRONG)

something that is lacking or that is not exactly right in someone or something: The cars have a defect in the electrical system that may cause them to stall.
defective
adjective  /dɪˈfek·tɪv/ us  
I replaced the defective light switch.
(Definition of defect noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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