Radical (from Latin radicis, genitive of radix "root") can refer to many different things and concepts.

Contents 1 Mathematics 2 Chemistry 3 Linguistics 4 Society 5 Businesses and organizations 6 Music albums 7 Other

Mathematics

• The symbol used to indicate the nth root of a number
• 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
• Symmetric bilinear form, a concept in linear algebra
• Radical of a Lie algebra, a concept in Lie theory

Chemistry

• Radical (chemistry) or free radical, atomic or molecular species with unpaired electrons

Linguistics

• Radical consonant, which involves the root of the tongue
• Radical (Chinese character), part of a Chinese character under which it is indexed in a dictionary (also called bùshǒu 部首)
• One of the three consonants in a Semitic trilateral or quadrilateral root

Society

• Political radicalism
  • Radicalism (historical), the Radical Movement which began in late 18th century Britain and spread to continental Europe and Latin America in the 19th century
  • Radical left, another term for the far left
  • Radical right, another term for the far right
  • Extremism, political standpoints that are perceived as revolutionary or extreme

• Radical Whigs, influential early writers on Radicalism
• Radical Republican (USA), a member of an influential group of American politicians during the Civil War reconstruction
• Radical Party, a political party
• Radicals (UK), parliamentary progressives who were part of the nineteenth-century Liberal coalition
• Industrial Radicals, members of the fictional Industrial Radical Party
• Religious radicalism

Businesses and organizations

• Radical Sportscars, an English sports car maker
• Radical Entertainment, a video game developer based in Vancouver, Canada
• Free Radical Design, a video game developer based in Nottingham, England
• Free Radicals (band), a jazz-funk musical group from Houston, TX
• Radical Matters, a record label
• Free Radical Centre

Music albums

• Radical (Smack album), Smack's fourth studio album, released in 1988

Other

• In cabinet making, another way of saying external plinth
• Radical Baroque, in architecture

In Mathematics, an n th root of a Number a is a number b such that bn = a. In Mathematics, an Algebraic group G contains a unique maximal normal solvable Subgroup; and this Subgroup is closed In Ring theory, a branch of Mathematics, the radical of an ideal is a kind of completion of the ideal. In Mathematics, the radical of a positive Integer n is defined as the product of the Prime numbers dividing n: A symmetric bilinear form is as the name implies a Bilinear form on a Vector space that is symmetric The radical of a Lie algebra \mathfrak{g} is a particular Ideal of \mathfrak{g} In Chemistry, radicals (often referred to as free radicals) are atoms molecules or ions with Unpaired electrons on an otherwise Open shell Radical consonants are those consonants articulated with the root (base of the Tongue in the Throat. This disambiguation page differentiates the various historical uses of the term radical in the context of Chinese characters Political radicalism or simply radicalism is adherence to radical views and principles in Politics. For opposition to all forms of government social hierarchy or authority see Anarchism. Far right, extreme right, ultra-right, or radical right are terms used to discuss the qualitative or quantitative position a group Extremism is a term used to describe the actions or ideologies of individuals or groups outside the perceived political center of a society or otherwise claimed to violate The Radical Whigs or Jug Heads were "a group of British political commentators" associated with the British Whig faction who were at the forefront of Radicalism The Radical Republicans is a term applied to a loose faction of American politicians within the Republican party from about 1854 (before the American Civil War The Radicals were a parliamentary political grouping in the United Kingdom in the early to mid 19th century who drew on earlier ideas of radicalism and helped to The Difference Engine is an alternate history Novel by William Gibson and Bruce Sterling. Radical Sportscars is an auto manufacturer and constructor of racing cars from England. Radical Entertainment is a Video game developer based in Vancouver, British Columbia, Canada. Free Radical Design is a Video game developer based in Nottingham, England. Free Radicals is an American Jazz, Funk, Hip-hop, Avant-garde, Ska, Reggae, African music Indian Radical Matters is an independent Publishing house and Record label based in Tuscany, and directed by Sandro Gronchi. The Free Radical Centre or ARC Centre of Excellence for Free Radical Chemistry and Biotechnology, was established in the 2005 Australian Research Council funding Radical is the Finnish rock band Smack 's fourth and the last studio album Cabinet making is the practice of utilizing various Woodworking skills to create cabinets shelving and Furniture. Baroque architecture, starting in the early 17th century in Italy, took the humanist Roman vocabulary of Renaissance architecture and used it in a new rhetorical

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