detected
v. B2 Upper Intermediate US //dɪˈtɛktəd// UK //dɪtˈɛktɪd// de·tect·ed
v. to notice or discover something that is hard to see, hear, or find. You use this when you find a small sign of something using your senses or a special tool.
v. to discover or identify the presence or existence of something, especially something subtle or hidden. Transitive; often implies the use of specialized equipment or keen observation.
The sensor detected a small gas leak.
The airport security scanner detected a metal object in the passenger's carry-on bag.
Astronomers detected faint gravitational waves that confirm theories about how massive objects move through the universe, marking a significant breakthrough in modern physics.
Usage
The verb is transitive and requires a direct object.