Pronunciation: (di-tekt'), [key]
1. to discover or catch (a person) in the performance of some act: to detect someone cheating.
2. to discover the existence of: to detect the odor of gas.
3. to find out the true character or activity of: to detect a spy.
a. to rectify alternating signal currents in a radio receiver.
b. to demodulate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.