Radical

Radical (from Latin: radix, root) may refer to:

Politics and ideology

Politics

• Classical radicalism, the ideology and movement started in late 18th century Britain and spread to continental Europe and Latin America in the 19th century
• Radical politics, the political intent of fundamental societal change
• Radical Party (disambiguation), several political parties
• Radicals (UK), a British and Irish grouping in the early to mid-19th century
• Radicalization
• Politicians from the Radical Civic Union

Ideologies

• Radical chic, a term coined by Tom Wolfe to describe the pretentious adoption of radical causes
• Radical feminism, a perspective within feminism that focuses on patriarchy
• Radical Islam, or Islamic extremism
• Radical Christianity
• Radical veganism, a radical interpretation of veganism, usually combined with anarchism
• Radical Reformation, an Anabaptist movement concurrent with the Protestant Reformation

Science and mathematics

Science

• Radical (chemistry), an atom, molecule, or ion with unpaired valence electron(s)
• Radical surgery, where diseased tissue or lymph nodes are removed from a diseased organ

Mathematics

• Radical expression involving roots, also known as an nth root
  • Solution in radicals
• Radical symbol (√), used to indicate the square root and other roots
• Radical of an algebraic group, a concept in algebraic group theory
• Radical of an ideal, an important concept in abstract algebra
• Radical of a ring, an ideal of "bad" elements of a ring
  • Jacobson radical, consisting of those elements in a ring R that annihilate all simple right R-modules
  • Nilradical of a ring, a nilpotent ideal which is as large as possible
• Radical of a module, a component in the theory of structure and classification
• Radical of an integer, in number theory, the product of the primes which divide an integer
• Radical of a Lie algebra, a concept in Lie theory
  • Nilradical of a Lie algebra, a nilpotent ideal which is as large as possible
• Left (or right) radical of a bilinear form, the subspace of all vectors left (or right) orthogonal to every vector

Linguistics

• Root (linguistics), also called a "radical", the form of a word after any prefixes and suffixes are removed
• Radical (Chinese characters), part of a Chinese character
• Radical consonant, a pharyngeal consonant
• Radical, one of the three consonants in a Semitic root

Arts and entertainment

Music

• Radical (mixtape), by Odd Future, 2010
• Radical (Every Time I Die album), 2021
• Radical (Smack album), 1988
• "Radicals" (song), a song by Tyler, The Creator from the 2011 album Goblin
• "Radical", an instrumental by Dyro and Dannic, 2014

Architecture and design

• Radical period (design), a period in late 1960s Italian design
• Radical Baroque, an architectural style

Literature

• Radical: Taking Back Your Faith from the American Dream, a 2010 book by Christian pastor David Platt
• Radical: My Journey out of Islamist Extremism, a 2012 memoir by British activist Maajid Nawaz

Film

• Radical (film), a 2023 Spanish language film

Other uses

• Murphy Radical, a Canadian light aircraft design
• Radical, Missouri, U.S., a ghost town
• Radical Sportscars, a British sports car maker
• Radical Entertainment, a Canadian video game developer
• Radical.fm, a digital music streaming service
• Radical Software, American art journal started in 1970

See also

• All pages with titles beginning with radical
• All pages with titles containing radical
• The Radicalz, a World Wrestling Federation stable
• Radical center (disambiguation)
• Radical left (disambiguation)
• Radical right (disambiguation)
• Radikal (disambiguation)
• Radicle, the first part of a seedling

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