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.
noun 1. Botany. either of two female haploid nuclei, in the embryo sac of flowers, that fuse to produce a diploid nucleus, which combines with a male nucleus to form the endosperm.
[poh-lar-uh-gram] /poʊˈlær əˌgræm/ noun 1. the record produced by the action of a 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.
[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 […]