Radical
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Radical means pertaining to roots, or at or in the roots. It is derived from the Latin word radix, which means "root". It may refer to:
In mathematics:
- The radical symbol used to indicate the nth root of a number a, written as
![\sqrt[n]{a}](../../../math/9/a/2/9a2b6d33f3d62a1e8bd99c76f3cb79f5.png)
, which is a number whose n-th power is a - Radical of an algebraic group, a concept in algebraic group theory
- Radical of an ideal, an important concept in abstract algebra
- Radical of an integer, a concept in number theory
- Radical of a bilinear form, a concept in linear algebra
In science:
- Radical (chemistry), atomic or molecular species with unpaired electrons
In linguistics:
- Radical consonant, involves the root of the tongue
- Radical (Chinese character), in grammatology, part of a Chinese character
In politics:
- Radicalism, any of various ideologies or political groupings
- a supporter of a revolutionary social movement, opposed to liberalism and conservatism, particularly a supporter of libertarian socialism or the far-left
- a supporter of the "radical right" variety of the far right
- a neoconservative
- a supporter of the Radical Left
- The term radical is used by the right wing in the United States to describe elements of the Democratic Party
- Radicalization, which refers to the transformation from passiveness or activism to more revolutionary, extremist, or militant postures. While the term "radical" can be commonly associated with far-left movements, "radicalization" makes no such distinction.
- a supporter of Radicalism (historical), a movement which developed in 18th and 19th century Britain with aims including electoral reform and republicanism, and subsequent leftist liberal movements in continental Europe and Latin America
- Radical Whigs, influential early writers on Radicalism
- a Radical Republican (an influential group of American politicians during the Civil War reconstruction)
- a Radical Party member
- a supporter of Radicals (UK), parliamentary progressives who were predecessors of the Liberal Party (UK)
In commerce:
- Radical Sportscars or Radical Motorsport, sports car maker in England [1]
- Free Radical Design, a video game developer based in Nottingham, England
[edit] See also
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