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polar molecule

American  

noun

  1. a molecule in which the centroid of the positive charges is different from the centroid of the negative charges.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The fact that hydrogen cyanide, a strongly polar molecule, can form crystals together with nonpolar substances like methane and ethane is remarkable, since these types of molecules usually stay separate, much like oil and water.

From Science Daily • Oct. 17, 2025

It is a polar molecule, allowing for the formation of hydrogen bonds.

From Textbooks • Jun. 9, 2022

Because water is a polar molecule, it is able to form multiple hydrogen bonds that account for many of water’s special properties.

From Textbooks • Jan. 1, 2018

There is an inherent separation of charge, and so water is a polar molecule.

From Textbooks • Aug. 12, 2015

In chemistry, a polar molecule is a molecule that contains regions that have opposite electrical charges.

From Textbooks • Jun. 19, 2013