# Quaternion (disambiguation)

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

In mathematics:

- The quaternion number system, a generalization of complex numbers.
- The quaternion group, a non-abelian group of order 8.

**Quaternion** may also refer to:

- Quaternion (gathering), four folded sheets as a unit in bookbinding
- Quaternion (poetry), a style of poetry with four parts
- in the heraldry of the Holy Roman Empire, the Imperial quaternions
- the Quaternion Eagle

- A group of four soldiers in the Roman Army

## 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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