# four-dimensional

> English word · Adjective

## Definitions
1. Having four dimensions; being measurable along four mutually perpendicular axes.
2. Relating to the four dimensions of space-time (three spatial dimensions with the addition of time as the fourth).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/four-dimensional