# diagonal matrix

> English word · Noun · IPA /dī-ˈa-ɡə-nᵊl ˈmā-triks/

## Definitions
1. A matrix in which the entries outside the main diagonal are all zero.

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