Polarity

Polarity may refer to:

Science

 * Electrical polarity, direction of electrical current
 * Polarity (mutual inductance), the relationship between components such as transformer windings
 * Polarity (projective geometry), in mathematics, a duality of order two
 * Polarity in embryogenesis, the animal and vegetal poles within a blastula
 * Cell polarity, differences in the shape, structure, and function of cells
 * Chemical polarity, in chemistry, a separation of electric charge
 * Magnetic polarity, north or south poles of a magnet
 * Polar reciprocation, a concept in geometry also known as polarity
 * Trilinear polarity, a concept in geometry of the triangle
 * Polarity of a literal, in mathematical logic

Humanities

 * Polarity (international relations), a description of the distribution of power within the international system
 * Polarity of gender, when a word takes the opposite grammatical gender than expected
 * Polarity item, in linguistics, the sensitiveness of some expression to negative or affirmative contexts
 * Affirmation and negation, also known as grammatical polarity
 * Sexual polarity, a concept of dualism between masculine and feminine

Other uses

 * Polarity (game), a board game
 * Polarity (Decrepit Birth album), 2010
 * Polarity (Norman album), 2003
 * Polarity (The Wedding album), 2007