Quaternion (disambiguation)
Jump to navigation
Jump to search
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up quaternion in Wiktionary, the free dictionary.
In mathematics
The quaternions form a number system that extends the complex numbers.
- Quaternion rotation
- Quaternion group, a non-abelian group of order 8
Symbols
- Imperial quaternions (heraldry of the Holy Roman Empire)
Military uses
- A group of four soldiers in the Roman legion
- A fireteam
Other
- Quaternion (gathering), four folded sheets as a unit in bookbinding
- Quaternion (poetry), a style of poetry with four parts