Definition:Number Prefixes/9/Nona-

Definition

The prefix nona- denotes $9$.

Examples

The prefix nona- can be found in the following contexts:

• nonagon: a polygon with $9$ sides and hence $9$ vertices

Linguistic Note

The prefix nona- is from the Latin nonus, meaning ninth.

Sources

• 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): nona- or ennea-