Circumference
Circumference was the surrounding of the inner point of an object. It was an important part of geometry and used to calculate a .

The hypergiant star Captain Jonathan Archer and the Vissian Drennik observed from aboard the stratopod had a circumference of nearly a billion kilometers. ()

The planet  was a spheroid body with a circumference of 24,874 miles. ()

In 2371, Harry Kim scanned Avery III and identified the force field having a circumference with more than six-hundred kilometers. ()

Valen identified  as an anomaly with approximately nine light years in circumference. ()

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Mathematics