source: Kenshiro Hiding in a Haystack | Know Your Meme

the action or process of identifying the presence of something concealed:

(隠れているもの･病気などの)検出, 発見, 探知

e.g. the early detection of fetal abnormalities.

the work of a detective in investigating a crime:

(犯罪などの)捜査

e.g. as modifier : the detection rate for murder is over 90 percent.

another term for demodulation (see demodulate).

〘通信〙 検波

late 15th century (in the sense ‘revelation of what is concealed’): from late Latin detectio(n-), from Latin detegere ‘uncover’ (see detect).