(of a molecule) not having a permanent dipole moment
nonpolar in American English
(ˌnɑnˈpoʊlər)
adjective
not polar or polarized
said esp. of a molecule with a covalent bond
nonpolar in American English
(nɑnˈpoulər)
adjective
Physical Chemistry
containing no permanently dipolar molecules; lacking a dipole
Word origin
[1890–95; non- + polar]
Examples of 'nonpolar' in a sentence
nonpolar
Nonpolar hydrocarbon oils are widely used as collectors for floating molybdenite.
He Wan, Wei Yang, Tingshu He, Jianbo Yang, Lin Guo, Yongjun Peng 2017, 'The Influence of Ca2+ and pH on the Interaction between PAHs and Molybdenite Edges',Mineralshttp://www.mdpi.com/2075-163X/7/6/104. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In nonpolar cyclohexane solvent, the preferred conformation experiences a weaker steric and electrostatic repulsion.
Laize A. F. Andrade, Lucas A. Zeoly, Rodrigo A. Cormanich, Matheus P. Freitas 2019, 'Conformational signature of Ishikawa´s reagent using NMR information from diastereotopicfluorines', Beilstein Journal of Organic Chemistryhttps://doi.org/10.3762/bjoc.15.44. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Dried leaf samples were sequentially extracted with nonpolar and polar solvents.
Shashank Kumar, Gousia Chashoo, Ajit K. Saxena, Abhay K. Pandey 2013, 'Parthenium hysterophorus: A Probable Source of Anticancer, Antioxidant and Anti-HIVAgents', BioMed Research Internationalhttp://dx.doi.org/10.1155/2013/810734. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The paper presents data on the synthesis of nanosized filler for nonpolar polymer matrix.
PAVLENKO Vyacheslav Ivanovich, CHERKASHINA Natalia Igorevna, PAVLENKO Zoya Vladimirovna 2016, 'Synthesis of nanodispersed filler for polymer composite materials of thermostaticpurpose', Nanotehnologii v Stroitelʹstvehttp://nanobuild.ru/en_EN/journal/Nanobuild-5-2016/158-174.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The compounds had a good solubility in polar/nonpolar media.
Rica Boscencu, Gina Manda, Natalia Radulea, Radu Petre Socoteanu, Laura Cristina Ceafalan,Ionela Victoria Neagoe, Isabel Ferreira Machado, Selma Huveyda Basaga, Luís FilipeVieira Ferreira 2017, 'Studies on the Synthesis, Photophysical and Biological Evaluation of Some UnsymmetricalMeso-Tetrasubstituted Phenyl Porphyrins', Moleculeshttps://www.mdpi.com/1420-3049/22/11/1815. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The intramolecular hydrogen bonds are persistent in a nonpolar solvent (e.g., chloroform).
Christian Dank, Barbara Kirchknopf, Matthias Mastalir, Hanspeter Kählig, Susanne Felsinger,Alexander Roller, Vladimir B. Arion, Hubert Gstach 2015, 'Hybrids of Salicylalkylamides and Mannich Bases: Control of the Amide Conformationby Hydrogen Bonding in Solution and in the Solid State', Moleculeshttp://www.mdpi.com/1420-3049/20/1/1686. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Compounds showed positive solvatofluorism behavior from nonpolar to polar solvent.
Padalkar Vikas S, Patil Vikas S, Sekar N 2011, 'Synthesis and photo-physical properties of fluorescent 1,3,5-triazine styryl derivatives',Chemistry Central Journalhttp://journal.chemistrycentral.com/content/5/1/77. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In general, the best cytotoxic activity was found in nonpolar and moderately polar herbal extracts.
Radovanovic Ana 2015, 'Evaluation Of Potential Cytotoxic Effects Of Herbal Extracts', Serbian Journal of Experimental and Clinical Researchhttp://www.degruyter.com/view/j/sjecr.2015.16.issue-4/sjecr-2015-0041/sjecr-2015-0041.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)