Math., 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.
[ 1930-35 ]
SQUARE WAVE
Meaning of SQUARE WAVE in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012