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Radical

 

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Radical



 
  Radical (from Late Latin radicalis "of roots", from Latin radix "root") may refer to:

in science
  • In chemistry, a radical
    Radical (chemistry)

    In chemistry, radicals are atoms, molecules or ions with unpaired electrons on an otherwise open shell configuration. These unpaired electrons are usually highly chemical reaction, so radicals are likely to take part in chemical reactions....
     is an atom, molecule, or ion which is likely to take part in chemical reactions.
  • The symbol v used to indicate the square root
    Square root

    In mathematics, a square root of a number x is a number r such that r2 = x, or, in other words, a number r whose square is x....
     or nth root
    Nth root

    In mathematics, an nth root of a number a is a number b such that when n copies of b are multiplication together, the result is a....
  • Radical of an algebraic group
    Radical of an algebraic group

    In mathematics, an algebraic group G contains a unique maximal normal subgroup solvable group subgroup; and this subgroup is closed subset. Its identity component is called the radical of G....
    , a concept in algebraic group theory
  • Radical of an ideal
    Radical of an ideal

    In ring theory, a branch of mathematics, the radical of an ideal is a kind of completion of the ideal . There are several special radicals associated with the entire ring - such as the nilradical and the Jacobson radical, which isolate certain "bad" properties of the ring....
    , an important concept in abstract algebra
  • Radical of an integer
    Radical of an integer

    In mathematics, the radical of a positive number integer n is defined as the product of the prime numbers dividing n:For example,The radical of any integer n is the largest square-free integer divisor of n, and so also described as the square-free kernel of n....
    , a concept in number theory
  • Symmetric bilinear form
    Symmetric bilinear form

    A symmetric bilinear form is, as the name implies, a bilinear form on a vector space that is symmetric. They are of great importance in the study of orthogonal polarities and quadric ....
    , a concept in linear algebra
  • Radical of a Lie algebra
    Radical of a Lie algebra

    The radical of a Lie algebra is a particular ideal of ....
    , a concept in Lie theory


in linguistics
  • of a root (linguistics)
    Root (linguistics)

    The root is the primary lexicology unit of a word, which carries the most significant aspects of semantics content and cannot be reduced into smaller constituents....
  • Radical (Chinese character)
    Radical (Chinese character)

    [Image:Chinese character ? cai3 pick with ROOT colored.gif|right|thumb|The Chinese character ? cai, meaning ?to pick?, with its ?root?, the original, semantic graph on the right, colored red; and its later-added, redundant semantic determinative The semantic root ....
    , part of a Chinese character under which it is indexed in a dictionary (also called bùshou ??)
  • One of the three consonants in a Semitic root
  • Radical consonant
    Radical consonant

    Radical consonants are those consonants articulated with the root of the tongue in the throat. They include the pharyngeal consonant and epiglottal consonant places of articulation....
    , which involves the root of the tongue


in politics
  • Political radicalism
    Political radicalism

    Political radicalism or simply radicalism is adherence to radical views and principles in politics. The meaning of the term radical in a political context has changed since its first appearance in late 18th century....
    • Radicalism (historical)
      Radicalism (historical)

      The term Radical was used during the late 18th century for proponents of the Radical Movement. It later become a general term for those favoring or seeking political reforms which include dramatic changes to the social order....
      , the Radical Movement which began in late 18th century Britain and spread to continental Europe and Latin America in the 19th century
    • Radical left
      Radical left

      Radical left can refer to:* The radical left , an umbrella term to describe those who adhere explicitly and openly to revolutionary socialism, communism or anarchism ? the "radical" qualifier tends in this case to denote a revolutionary fervor, and is a subset of, but should not be confused with, the far left...
      , another term for the far left
    • Radical right, another term for the far right
    • Extremism
      Extremism

      Extremism is a term used to describe the actions or Ideology of individuals or groups outside the perceived political center of a society; or otherwise claimed to violate common moral standards....
      , political standpoints that are perceived as revolutionary or extreme
  • Radical Whigs
    Radical Whigs

    The Radical Whigs were "a group of British political commentators" associated with the British Whig Party faction who were at the forefront of Radicalism #Origins....
    , influential early writers on Radicalism
  • Radical Reformation
    Radical Reformation

    The Radical Reformation was a 16th century response to what was believed to be both the corruption in the Roman Catholic Church and the expanding Magisterial Reformation Protestantism led by Martin Luther and many others....
    , an Anabaptist movement concurrent with the Protestant Reformation
  • Radical Republican (USA), a member of an influential group of American politicians during the Civil War reconstruction
  • Radical Party
    Radical Party

    Radical Party may refer to:Europe*Radical Democratic Party *Det Radikale Venstre , or Danish Social Liberal Party, DenmarkFrance...
    , one of a number of political parties around the world
  • Radicals (UK)
    Radicals (UK)

    BackgroundThe Radicalism movement arose in the late 18th century to support parliamentary reform with additional aims including Catholic Emancipation and free trade....
    , parliamentary progressives who were part of the nineteenth-century Liberal coalition


in art
  • Radical Baroque, in architecture


brands, titles and proper names
  • Radical Sportscars, an English sports car maker
  • Radical Entertainment
    Radical Entertainment

    Radical Entertainment is a video game developer based in Vancouver, British Columbia, Canada. It was founded in 1991 and previously developed games for video game publisher such as THQ, Microsoft and Fox Interactive....
    , a video game developer based in Vancouver, Canada
  • Free Radical Design
    Free Radical Design

    Crytek UK, formerly known as Free Radical Design, is a video game developer based in Nottingham, England. The company is well known for their TimeSplitters video game series and as a first-person shooter developer....
    , a video game developer based in Nottingham, England
  • Free Radicals (band)
    Free Radicals (band)

    Free Radicals is an United States jazz, funk, hip-hop, avant-garde, ska, reggae, African music, Indian music, Punk rock, klezmer, polka and latin jazz group based in Houston, Texas....
    , a jazz-funk musical group from Houston, TX
  • Free Radical Centre
    Free Radical Centre

    The Free Radical Centre or ARC Centre of Excellence for Free Radical Chemistry and Biotechnology, was established in the 2005 Australian Research Council funding rounds....
  • Radical (Smack album)
    Radical (Smack album)

    Radical is the Finnish rock band Smack 's fourth and the last studio album. It was released in 1988....
    , Smack's fourth studio album, released in 1988


See also

  • Rad
    RAD

    Rad may mean:* Rad , a villainous character in AC Comics's Femforce* Rad , a 1986 release about a young BMX rider* Rad , several fictional characters in the Transformers toy line...
David Andrew Smith (University of Bath and The North)