| circumpolar | (adj) (of a celestial body) continually visible above the horizon during the entire 360 degrees of daily travel |
| circumpolar | (adj) located or found throughout a polar region |
| Circumpolar | a. [ Pref. circum- + polar. ] About the pole; -- applied to stars that revolve around the pole without setting; |
| 环极涡旋 | [环 极 涡 旋 / 環 極 渦 旋] circumpolar vortex [Add to Longdo] |
| 周極星 | [しゅうきょくせい, shuukyokusei] (n) circumpolar star [Add to Longdo] |