A notional semicircle of constant longitude on the earth's surface, running from one terrestrial pole to the other; a meridian.
the ship and the storm were both now on the same line of longitude
Example sentencesExamples
- The prime meridian is the line of longitude that runs through Greenwich, England.
- Surveys were flown along lines of longitude and were therefore generally oriented perpendicular to the coast.
- Altogether there are 180 lines of longitude around the Earth, spaced out approximately every 70 miles around the equator.
- The official finishing line will be the line of longitude running through the Bishop Rock lighthouse.
- Prior to the lines of longitude being defined, thousands of sailors were lost at sea as soon as land was out of sight.