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Webster 1828 Edition

pp.

Discovered; found out; laid open; brought to light.

detected ‎(not comparable)

Referring to something that has been noticed.
The detected submarine was tracked by sonar, it was easy once they knew where to look.

Referring to something that has been noticed

detected

simple past tense and past participle of detect
We detected the submarine long before it observed us.

Simple past tense and past participle of detect