Definition:Pole of Arc
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Definition
Let $S$ be a sphere whose center is $O$.
Let $C$ be the arc of a circle on $S$, either a small circle or a great circle.
The poles of $C$ are the poles of the circle on $S$ of which $C$ is a part.
Sources
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): pole: 2. (of a circle on a sphere)