Polaris
Polaris
Definition
Po·la·ris (pō lar′is)
noun
a binary Cepheid variable, the brightest star in the constellation Ursa Minor; North Star; Pole Star: magnitude, 1.95 to 2.05: used for navigation, since it is the closest star to the north celestial pole and remains nearly stationary throughout the night
Etymology: ModL < ML (stella) polaris, polar (star): see pole
Browse dictionary entries near Polaris
- polarimeter
- polar maritime
- polar lights
- polar front
- polar distance
- polar coordinates
- polar continental
- polar circle
- polar body
- polar bear
- polariscope
- polarity
- polarization
- polarization mode dispersion
- polarize
- polarography
- Polaroid
- polaron
- polder
- pole
