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

an asymmetric molecule with non-uniform positive and negative charges; also called dipole

A polar molecule has a partial positive charge in one part of the molecule and complementary negative charge in another part.


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  • Polarogram

    [poh-lar-uh-gram] /poʊˈlær əˌgræm/ noun 1. the record produced by the action of a Polarograph.

  • Polarograph

    [poh-lar-uh-graf, -grahf, puh-] /poʊˈlær əˌgræf, -ˌgrɑf, pə-/ Trademark. 1. a brand name for an instrument that automatically registers the current in electrolysis at a dropping mercury electrode.

  • Polarography

    [poh-luh-rog-ruh-fee] /ˌpoʊ ləˈrɒg rə fi/ noun 1. Chemistry. the use of a to perform qualitative or quantitative analyses. /ˌpəʊləˈrɒɡrəfɪ/ noun 1. a technique for analysing and studying ions in solution by using an electrolytic cell with a very small cathode and obtaining a graph (polarogram) of the current against the potential to determine the concentration […]

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