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

A strong electric field is required to detect a small electric dipole, and one proposed method is to observe the properties of the electron in the internal electric field of a polar molecule.

From Science Magazine