Breadcrumb Home > Dictionary > Index S square wave: Meaning and Definition of Find definitions for: square' wave" Pronunciation: [key] — Math., Physics. 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. square-toes square yard TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: pernicious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language