# versor

> English word · Noun

## Definitions
1. A quaternion of norm one.
2. A multivector representing a proper or improper rotation.

## Etymology
From Latin vertere, versus (“to turn”). See version.

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