- the return to its starting point of the electron beam in a cathode ray tube, as after the completion of a line in a television picture or of a trace in an oscilloscope.
Origin of flyback
First recorded in 1930–35; noun use of verb phrase fly back
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the fast return of the spot on a cathode-ray tube after completion of each trace