noun Mathematics, Physics.
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.
Words nearby square wave
Origin of square wave
First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for square wave
an oscillation, for example in voltage pulse, that alternates between two fixed values with a negligible transition time between the two, giving a rectangular waveform
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012