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the velocity at which a body must move in order to maintain an orbit at the outer edge of the earth's atmosphere. Cf. orbital velocity.
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circular velocity noun
The horizontal velocity of a body required to keep it in orbit, at a given altitude, around a planet
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Main Entry: ↑circular
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circular velocity,
the velocity a body must achieve to remain in orbit around another body; orbital velocity.
Useful english dictionary. 2012.