Detector Meaning
/dɪˈtɛktə(ɹ)/Definition, CEFR level B1, pronunciation, examples, and quiz.
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Definition
nounA device capable of registering a specific substance or physical phenomenon, and that optionally sounds an alarm or triggers a warning.
nounA device capable of registering a specific substance or physical phenomenon, and that optionally sounds an alarm or triggers a warning., An indicator showing the depth of the water in a boiler.
Sentence Examples
My neighbor found a cache of ancient Roman coins using his metal detector.
The results of a lie detector test are inadmissible in court.
CEFR Practice Quiz
A metal ____ beeped loudly when he passed through the security gate.
CEFR Practice Quiz (Alternate)
My neighbor found a cache of ancient Roman coins using his metal ____.
Word Origin & History
Borrowed from Latin dētēctor. Equals detect + -or (agent noun forming suffix).
Literary Quotations & Historical Citations
"At 2255, it passed a hot axle box detector at Great Bridgeford. No problem here - the detector detected no abnormal temperatures anywhere in the consist."
— 2026 March 18, Greg Morse, “1996 crash driving freight reforms”, in RAIL, number 1057, page 50:
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CEFR Practice Quiz
A metal ____ beeped loudly when he passed through the security gate.
CEFR Practice Quiz (Alternate)
My neighbor found a cache of ancient Roman coins using his metal ____.