# periodogram

> English word · Noun

## Definitions
1. A graph used in the harmonic analysis of spectra, time series etc.

## Etymology
From period + -o- + -gram.

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