51Թ

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great-circle track

[greyt-sur-kuhl trak]

noun

  1. the route of a ship following the arc of a great circle, appearing as a curved line on a Mercator chart and as a straight line on a gnomonic chart.



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51Թ History and Origins

Origin of great-circle track1

First recorded in 1955–60

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great-circle sailinggreatcoat