# Joy plot

> English word · Noun

## Definitions
1. A plot of a repetitive signal, by repeatedly plotting each period on a separate line one under another, to create a pseudo-3D image that appears like a mountainous ridge.

## Etymology
Blend of Joy Division + plot, from a plot that was made famous by the band Joy Division, who used the plotting of a signal from pulsar CP1919 as the cover image for their 1979 album Unknown Pleasures.

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