square wave

Noun

 * 1)  A function or waveform that alternates regularly and instantaneously between two levels.

Translations

 * Chinese:
 * Mandarin: 方波
 * Dutch: blokgolf
 * Estonian: nelinurklaine
 * Finnish:
 * German: Rechteckschwingung, Rechtecksignal
 * Icelandic: kassabylgja
 * Italian: onda quadra
 * Romanian: semnal dreptunghiular
 * Swedish: fyrkantsvåg, fyrkantvåg