square wave: Meaning and Definition of

square' wave"

Pronunciation: [key]
— Math., Physics. Math.,Physics.
  1. a graph, function, vibration, etc., that is periodic and equal to one constant on one half of the period and a different constant, which may be zero, on the other half.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.