Polarity may refer to:
Science
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Electrical polarity
The following Outline (list), outline is provided as an overview of and topical guide to electrical polarity (also called electric polarity).
Positive and negative polarity
* In electrical engineering, electrical polarity defines the direction ...
, direction of electrical current
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Polarity (mutual inductance)
In electrical engineering, dot marking convention, or alphanumeric marking convention, or both, can be used to denote the same relative instantaneous Electrical polarity, polarity of two Mutual inductance#Coupled inductors and mutual inducta ...
, the relationship between components such as transformer windings
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Polarity (projective geometry)
In projective geometry, duality or plane duality is a formalization of the striking symmetry of the roles played by points and lines in the definitions and theorems of projective planes. There are two approaches to the subject of duality, one t ...
, in mathematics, a duality of order two
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Polarity in embryogenesis, the animal and vegetal poles within a blastula
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Cell polarity
Cell polarity refers to spatial differences in shape, structure, and function within a cell. Almost all cell types exhibit some form of polarity, which enables them to carry out specialized functions. Classical examples of polarized cells are de ...
, differences in the shape, structure, and function of cells
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Chemical polarity
In chemistry, polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole moment, with a negatively charged end and a positively charged end.
Polar molecules must contain one or more polar ...
, 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 (mathematical logic), 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), ''Polarity'' (Decrepit Birth album), 2010
*Polarity (Norman album), ''Polarity'' (Norman album), 2003
*Polarity (The Wedding album), ''Polarity'' (The Wedding album), 2007
See also
*Polar (disambiguation)
*Polarization (disambiguation)
*Pole (disambiguation)
*Dualism (disambiguation)
*Symmetric bilinear form#Orthogonal polarities, Symmetric bilinear form ยง Orthogonal polarities
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