Definition:Number Prefixes/8/Oct-

Definition

The prefix oct- denotes $8$.

Examples

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

• octad: a set or ordered tuple with $8$ elements

• octagon or octangle: a polygon with $8$ sides and hence $8$ vertices

• octahedron: a polyhedron with $8$ faces

Linguistic Note

The prefix oct- is from the Classical Greek ὀκτά- (oktá-) and ὀκτώ (oktṓ), meaning eight.

Sources

• 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): oct-
• 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): oct-