nonpolar

[non-poh-ler]

adjective

Physical Chemistry.

1. containing no permanently dipolar molecules; lacking a dipole.

Word History and Origins

Origin of nonpolar¹

First recorded in 1890–95; non- + polar

Example Sentences

He and his colleagues now believe their latest finding -- that certain polar and nonpolar substances* can combine under extreme cold -- could guide future research into the moon's surface and atmosphere.

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Anything oily works, and any nonpolar solvent — meaning the electrons don’t create a positive and negative charge at the ends — can do the trick, Britcher explains.

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In the new analysis, however, scientists detected a drop in the amount of ozone in recent years at lower levels of the stratosphere over the Earth’s nonpolar regions, where most of the population lives.

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So, flavor molecules will happily take up residence in nonpolar materials like oils and fats, a process called extraction — or sometimes infusion or tincturing.

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For example, the properties that allow you to identify a basic, polar or nonpolar amino acid side chains were seen in the first semester of college chemistry. 

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