- IPA: /pəˈlærɪti/
- The separation, alignment or orientation of something into two opposed poles.
- Either of the two extremes of such attributes.
- (chemistry) The dipole-dipole intermolecular forces between the slightly positively-charged end of one molecule to the negative end of another or the same molecule. Chemical polarity
- (embryology) The division of an embryo into an animal pole and a vegetal pole within a blastula. Polarity in embryogenesis
- (microbiology) Spatial differences in shape, structure, and function within a cell. Cell polarity
- (electricity) A measure of the electrical potential at the ends of a circuit. Electrical polarity
- (physics) The direction of a wave's amplitude or its being in phase or antiphase.
- (grammar) The grammatical category of the affirmative and the negative. Affirmation and negation
- (projective geometry) A duality that is an involution, i.e. has order two. Polarity (projective geometry)
- (mathematics) An indicator of the positivity or negativity of a literal. Literal (mathematical logic)
- (politics) Any of the various ways in which power is distributed within the international system. Polarity (international relations)
- The concept of dualism between masculine and feminine. Sexual polarity
- (physics) Ellipsis of magnetic polarity
- (geometry) Ellipsis of trilinear polarity#English|trilinear polarity
- German: Polarität
- Portuguese: polaridade
- Russian: поля́рность
- Spanish: polaridad