a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.

a scrap or morsel of food left at a meal.

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Example Sentences

The region appears heavily cratered, particularly in the north and south polar regions.

There is, of course, plenty of evidence that greenery and growth are not polar opposites.

Polar bears may be threatened, but they aren't yet doomed.

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Collins

World English Dictionary

polar (ˈpəʊlə)

—*adj*
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
	a. 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
	b. (of a crystal or substance) being or having a crystal that is bound by ionic bonds: sodium chloride forms polar crystals

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

polar

1550s, from M.L. polaris, from L. polus (see pole (2)). Meaning "directly opposite in character or tendency" is attested from 1832. Polar bear first recorded 1781.

Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage

Medical Dictionary

polar po·lar (pō'lər)
adj.

Of or relating to a pole.
Having poles. Used of certain nerve cells having one or more processes.

American Heritage

Science Dictionary

polar (pō'lər) Pronunciation Key

Relating to a pole, such as the pole of a magnet or one of the electrodes of an electrolytic cell.
Relating to the North Pole or the South Pole of Earth, or analogous regions of another planet.
Relating to a molecule or substance that has polar bonds.

American Heritage

Abbreviations & Acronyms

POLAR
Polar Plasma Laboratory

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Matching Quote

"Coal is a portable climate. It carries the heat of the tropics to Labrador and the polar circle; and it is the means of transporting itself whithersoever it is wanted. Watt and Stephenson whispered in the ear of mankind their secret, that a half-ounce of coal will draw two tons a mile, and coal carries coal, by rail and by boat, to make Canada as warm as Calcutta, and with its comfort brings its industrial power."

-Ralph Waldo Emerson

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