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hectogon

n. 1 (context mathematics English) a polygon having 100 sides, almost indistinguishable from a circle 2 (context computing English) an individual processor in some parallel processing systems

Wikipedia
Hectogon

In geometry, a hectogon or hecatontagon or 100-gon is a hundred-sided polygon. The sum of any hectogon's interior angles is 17640 degrees.