polar circle

noun

: either of the two parallels of latitude each at a distance from a pole of the earth equal to about 23 degrees 27 minutes

Examples of polar circle in a Sentence

Recent Examples on the Web

At that time, the Australian state of Victoria – where volunteers first found the fossils in the late 1980s – would have crossed into the polar circle, meaning it would’ve been covered in darkness for weeks on end during the winter. —Matt Hrodey, Discover Magazine, 1 June 2023

Sailing along the western Antarctic Peninsula from the South Shetland Islands down to the polar circle, guests do things like record the temperature and salinity of seawater to aid the vital mission of tracking the impact of melting glaciers in one of the fastest-warming spots on earth. —Mark Johanson, Condé Nast Traveler, 22 July 2021

Word History

First Known Use

1556, in the meaning defined above