polar

American  

[poh-ler] / ˈpoʊ lər /

adjective

1. of or relating to the North or South Pole.

2. of or relating to the pole of any sphere, a magnet, an electric cell, etc.

3. opposite in character or action.

   The two have personalities that are polar.

4. capable of ionizing, as NaCl, HCl, or NaOH; electrolytic; heteropolar.

5. central; pivotal.

   the polar provision of the treaty.

6. analogous to the polestar as a guide; guiding.

   a polar precept.

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polar British  

/ ˈpəʊlə /

adjective

1. 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

2. having or relating to a pole or poles

3. pivotal or guiding in the manner of the Pole Star

4. directly opposite, as in tendency or character

5. chem

   1. 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

   2. (of a crystal or substance) being or having a crystal that is bound by ionic bonds

      sodium chloride forms polar crystals

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polar Scientific  

/ pō′lər /

1. Relating to a pole, such as the pole of a magnet or one of the electrodes of an electrolytic cell.

2. Relating to the North Pole or the South Pole of Earth, or analogous regions of another planet.

3. Relating to a molecule or substance that has polar bonds.

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Other Word Forms

• antipolar adjective
• transpolar adjective

Etymology

Origin of polar

From the Medieval Latin word polāris, dating back to 1545–55. See pole ², -ar ¹

Example Sentences

Rana likes to follow polar bear tracks and listen to her mother’s stories: “Stories about the old ice, the long long polar night, the Great Bear and how snow foxes make light with their tails.”

From The Wall Street Journal

Venturing outside the town means carrying a mandatory rifle in case of encounters with polar bears.

From Barron's

But a particularly dangerous strain of the disease was detected in April 2024 by Chilean researcher Victor Neira and his team in five skuas, a type of polar seabird.

From Barron's

"If we pay attention now, we might learn lessons that apply far beyond the polar regions."

From Science Daily

Newsom describes fishing on the Rogue River and riding in a helicopter while studying polar bears on the shores of the Hudson Bay in Canada.

From Los Angeles Times

Related Words

• freezing
• frigid
• glacial
• icy