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
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Magnetic polarity
A magnet is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, c ...
, north or south poles of a magnet
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Polar reciprocation
In geometry, a pole and polar are respectively a point and a line that have a unique reciprocal relationship with respect to a given conic section.
Polar reciprocation in a given circle is the transformation of each point in the plane into i ...
, a concept in geometry also known as polarity
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Trilinear polarity, a concept in geometry of the triangle
*Polarity of a
literal, in mathematical logic
Humanities
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Polarity (international relations)
Polarity in international relations is any of the various ways in which power (international relations), power is distributed within the international system. It describes the nature of the international system at any given period of time. One gene ...
, a description of the distribution of power within the international system
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Polarity of gender
In linguistics, polarity of gender is when a lexical item takes the opposite grammatical gender than expected. The phenomenon is widespread in Afroasiatic languages such as Semitic and Cushitic tongues. For example, in Somali, which is a Cushiti ...
, when a word takes the opposite grammatical gender than expected
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Polarity item
In grammar and linguistics, a polarity item is a lexical item that is associated with affirmation or negation. An affirmation is a positive polarity item, abbreviated PPI or AFF. A negation is a negative polarity item, abbreviated NPI or NEG.
T ...
, in linguistics, the sensitiveness of some expression to negative or affirmative contexts
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Affirmation and negation
In linguistics and grammar, affirmation ( abbreviated ) and negation () are ways in which grammar encodes positive and negative polarity into verb phrases, clauses, or
utterances. An affirmative (positive) form is used to express the validity or ...
, also known as grammatical polarity
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Sexual polarity
Sexual polarity is a concept of dualism between masculine and feminine. More generally, the term may be used to denote mutual opposition between sexual ideologies.
Metaphorical symbolism of sexual polarity is deeply intertwined in cultural ...
, a concept of dualism between masculine and feminine
Other uses
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Polarity (game)
''Polarity'' is a board game that requires strategic thinking and dexterity to control hovering magnetic discs.
Development
''Polarity'' was invented in 1985 by Canadian artist and designer Douglas Seaton. It was first published in 1986. The game ...
, a board game
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''Polarity'' (Decrepit Birth album), 2010
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''Polarity'' (Norman album), 2003
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''Polarity'' (The Wedding album), 2007
See also
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Polar (disambiguation)
Polar may refer to:
Geography
* Geographical pole, either of the two points on Earth where its axis of rotation intersects its surface
** Polar climate, the climate common in polar regions
** Polar regions of Earth, locations within the polar circ ...
*
Polarization (disambiguation)
Polarization or polarisation may refer to:
Mathematics
*Polarization of an Abelian variety, in the mathematics of complex manifolds
*Polarization of an algebraic form, a technique for expressing a homogeneous polynomial in a simpler fashion by ...
*
Pole (disambiguation)
Pole or poles may refer to:
People
*Poles (people), another term for Polish people, from the country of Poland
*Pole (surname), including a list of people with the name
*Pole (musician) (Stefan Betke, born 1967), German electronic music artist
*S ...
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Dualism (disambiguation)
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Symmetric bilinear form ยง Orthogonal polarities
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