sea mile
noun/ˈsiː maɪl/
/ˈsiː maɪl/
- a unit for measuring distance at sea, equal to the distance covered by one minute of arc (= curve) along the line of a north-south meridian. The length of a sea mile varies between approximately 1842 metres at the equator and 1 861 metres at the North and South Poles. compare nautical mileTopics Transport by waterc2
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sea mile