Enter a clue or pattern or both:
The Clue
Repeating shape on an oscilloscope (8 letter answer)
The Answer
WAVEFORM
Tags
Notes
The answer WAVEFORM is so rare that it appears less than once every 2500 puzzles.
Definition
WAVEFORM as a noun:
1. (wave form, waveform, wave shape) = the shape of a wave illustrated graphically by plotting the values of the period quantity against time