|1.||to perceive or notice: to detect a note of sarcasm|
|2.||to discover the existence or presence of (esp something likely to elude observation): to detect alcohol in the blood|
|3.||to extract information from (an electromagnetic wave)|
|4.||obsolete to reveal or expose (a crime, criminal, etc)|
|[C15: from Latin dētectus uncovered, from dētegere to uncover, from |
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