polarity

noun

1. 1.The state of being a north pole or south pole; the magnetic equivalent of electric charge
2. 2.The separation, alignment or orientation of something into two opposed poles.
3. 3.Either of the two extremes of such attributes.
4. 4.The dipole-dipole intermolecular forces between the slightly positively-charged end of one molecule to the negative end of another or the same molecule. Wp
5. 5.The division of an embryo into an animal pole and a vegetal pole within a blastula. Wp