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WordReference Random House Learner's Dictionary of American English © 2024po•lar /ˈpoʊlɚ/USA pronunciation adj. [before a noun]- Geographyof or relating to the North or South Pole.
- Electricityof or relating to any pole, as of a sphere or an electric cell.
- opposite in character or action:There were polar differences between the two candidate's ideas.
WordReference Random House Unabridged Dictionary of American English © 2024po•lar (pō′lər),USA pronunciation adj. - Geographyof or pertaining to the North or South Pole.
- Electricityof or pertaining to the pole of any sphere, a magnet, an electric cell, etc.
- opposite in character or action:The two have personalities that are polar.
- Chemistrycapable of ionizing, as NaCl, HCl, or NaOH;
electrolytic;
heteropolar. - central;
pivotal:the polar provision of the treaty. - analogous to the polestar as a guide;
guiding:a polar precept.
- Medieval Latin polāris. See pole2, -ar1
- 1545–55
Collins Concise English Dictionary © HarperCollins Publishers:: polar /ˈpəʊlə/ adj - situated at or near, coming from, or relating to either of the earth's poles or the area inside the Arctic or Antarctic Circles: polar regions
- having or relating to a pole or poles
- pivotal or guiding in the manner of the Pole Star
- directly opposite, as in tendency or character
- Also: heteropolar (of a molecule or compound) being or having a molecule in which there is an uneven distribution of electrons and thus a permanent dipole moment: water has polar molecules
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