Definition of "circularise" []

• Alternative spelling of circularize. (verb)

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• "Would Hoover circularise his description and offer a reward?"
• "Ordinarily, the spacecraft would have used their own propulsion systems to refine and circularise orbits at a geostationary altitude of some 36,000km."
• "The satellite's apogee motor will be fired three times over the coming five days to circularise its orbit and solar panels and antennas will be fully deployed by the beginning of next week."