# triangle wave

> English word · Noun

## Definitions
1. A function or waveform that alternately ramps linearly upwards and then downwards.

## Etymology
From triangle + wave, named for its triangular shape when graphed.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/triangle-wave