to notice something that is partly hidden or not clear, or to discover something, especially using a special method
The boy ran to the kitchen when he detected the smell of cookies.
The scientist used advanced equipment to detect subtle changes in the experimental results.
The security system is designed to detect any unauthorized access to the premises.
It takes a keen eye to detect the faint traces of a rare species in the dense forest.
Sophisticated radar technology is employed to detect incoming aircraft and ensure airspace security.
