(n) the brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward it, Syn.North Star, pole star, polestar, polar star
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. [ Polar + -scope. ] (Opt.) An instrument consisting essentially of a polarizer and an analyzer, used for polarizing light, and analyzing its properties. [ 1913 Webster ]
a. Pertaining to, or exhibiting, poles; having a polar arrangement or disposition; arising from, or dependent upon, the possession of poles or polar characteristics; as, polaristic antagonism. [ 1913 Webster ]
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