1. A part or element of a machine, device, or system that is faulty, broken, or not functioning properly
The technician identified a defective component in the engine that needed replacement.
O técnico identificou um componente defeituoso no motor que precisava ser substituído.
2. A manufactured part that does not meet quality standards or specifications
Quality control rejected the batch due to a defective component.
O controle de qualidade rejeitou o lote devido a um componente defeituoso.