Referring to something that has been noticed.(adjective)
Simple past tense and past participle of detect.(verb)
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Use "detected" in a sentence
"The methane we detected is of unknown age -- its origin could be ancient or perhaps recent, Michael Mumma of NASA and colleagues wrote."
"No signal has been detected from the balloon's Emergency Location Transmitter, which should activate on contact with water."
"The surgeon thrust in his hand and fumbled about for some time, while I wondered whether the feel of that one brown thread could be detected from the rest of the ravel."