noun

• 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. ᵂᵖ
• (embryology) The division of an embryo into an animal pole and a vegetal pole within a blastula. ᵂᵖ
• (microbiology) Spatial differences in shape, structure, and function within a cell. ᵂᵖ
• (electricity) A measure of the electrical potential at the ends of a circuit. ᵂᵖ
• (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. ᵂᵖ
• (projective geometry) A duality that is an involution, i.e. has order two. ᵂᵖ
• (mathematics) An indicator of the positivity or negativity of a literal. ᵂᵖ
• (politics) Any of the various ways in which power is distributed within the international system. ᵂᵖ
• (gender) The concept of dualism between masculine and feminine. ᵂᵖ
• (physics) Ellipsis of magnetic polarity. [(physics) the state of being a north pole or south pole; the magnetic equivalent of electric charge]
• (geometry) Ellipsis of trilinear polarity. [A correspondence between the points in the plane of a triangle not lying on the sides of the triangle and lines in the plane of the triangle not passing through the vertices of the triangle.]