Meaning of DETECTION in English


/di tek"sheuhn/ , n.

1. the act of detecting.

2. the fact of being detected.

3. discovery, as of error or crime: chance detection of smuggling.

4. Telecommunications.

a. rectification of alternating signal currents in a radio receiver.

b. Also called demodulation . the conversion of an alternating, modulated carrier wave or current into a direct, pulsating current equivalent to the transmitted information-bearing signal.

[ 1425-75; late ME detection- (s. of detectio ), equiv. to L detect ( us ) (see DETECT) + -ion- -ION ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .