polar molecule

American  

noun

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

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Example Sentences

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

This attractive force is called a dipole-dipole attraction—the electrostatic force between the partially positive end of one polar molecule and the partially negative end of another, as illustrated in Figure 10.9.

From Textbooks • Feb. 14, 2019

For these molecules, the directions of the equal bond moments are such that they sum to give a nonzero dipole moment and a polar molecule.

From Textbooks • Feb. 14, 2019

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

From Textbooks • Jun. 19, 2013