# Quaternion (disambiguation)

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Wikipedia : http://en.wikipedia.org/wiki/Quaternion_(disambiguation)Look up in Wiktionary, the free dictionary.quaternion |

The **quaternions** are a number system that extends the complex numbers.

**Quaternion** may also refer to:

- Quaternion group, a non-abelian group of order 8
- Quaternion (gathering), four folded sheets as a unit in bookbinding
- Quaternion (poetry), a style of poetry with four parts
- Imperial quaternions, in the heraldry of the Holy Roman Empire
- Quaternion, a group of four soldiers in the Roman legion

## See also

disambiguation page lists articles associated with the title Quaternion. If an internal link led you here, you may wish to change the link to point directly to the intended article. |
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