1. located around or near a pole of the earth, especially the North Pole
Usage: geography; astronomy
2. describing stars that never set below the horizon as viewed from a particular latitude
Usage: astronomy

Examples

• The circumpolar regions experience extreme seasonal variations in daylight.
• Polar bears inhabit the circumpolar Arctic regions.
• The Big Dipper is a circumpolar constellation visible year-round from northern latitudes.
• Scientists study circumpolar ocean currents to understand climate patterns.
• Many circumpolar stars appear to rotate around the North Star.
• The circumpolar boreal forest spans across Canada, Alaska, and northern Russia.
• Astronomers use circumpolar stars for navigation because they remain visible all night.