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{{Wiktionary|radical}}

{{wiktionary}}

'''Radical''' is derived (from the Latin word: ''{{lang|la|radix}}'', which means "root". It) may refer to:

{{tocright}}

==Politics and ideology==

===Politics===

*[[Classical radicalism]], the Radical Movement that began 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===

In '''mathematics''':

*[[Radical chic]], a term coined by Tom Wolfe to describe the pretentious adoption of radical causes

* The radical symbol used to indicate the [[nth root]] of a number ''a'', written as <math>\sqrt[n]{a}</math>, which is a number whose ''n''-th power is ''a''

* [[Radical of an algebraic groupfeminism]], a conceptperspective within feminism inthat algebraicfocuses groupon theorypatriarchy

* [[Radical of an idealIslam]], an important concept inor abstractIslamic algebraextremism

*[[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==

In '''science''':

===Science===

* [[Radical (chemistry)]], atomican oratom, molecularmolecule, speciesor ion with unpaired electronsvalence 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 ''n''th 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==

In '''linguistics''':

*[[Root (linguistics)]], also called a "radical", the form of a word after any prefixes and suffixes are removed

* [[Radical consonant]], involves the root of the tongue

* [[Radical (Chinese charactercharacters)]], in grammatology, part of a Chinese character

* [[Radical consonant]], involvesa thepharyngeal root of the tongueconsonant

*Radical, one of the three consonants in a [[Semitic root]]

==Arts and entertainment==

In '''politics''':

===Music===

* [[Radicalism]] can refer to:

*[[Radical (mixtape)|''Radical'' (mixtape)]], by Odd Future, 2010

*a supporter of a [[revolutionary]] [[social movement]], opposed to [[liberalism]] and [[conservatism]], particularly a supporter of [[libertarian socialism]] or the [[far-left]]

*[[Radical (Every Time I Die album)|''Radical'' (Every Time I Die album)]], 2021

**The term radical right is used in politics for some far right varieties, and in some contexts refers to [[neoconservatism]].

**[[Radical Left]](Smack refersalbum)|''Radical'' to(Smack a subset of the faralbum)]], left.1988

*[[Radicals (song)|"Radicals" (song)]], a song by Tyler, The Creator from the 2011 album ''Goblin''

**The term radical is used by the right wing in the [[United States]] to mischaracterise e elements of the [[Democratic Party of the United States|Democratic Party]]

*"Radical", an instrumental by [[Dyro]] and [[Dannic]], 2014

* [[Radicalization]] the transformation from passiveness or activism to more [[radical]], [[revolutionary]], [[extremism|extremist]], or [[militant]] postures. While the term "radical" is commonly associated with far-left movements, "radicalization" makes no such distinction.

=== Architecture and design ===

* [[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

* [[Radical Republican]], an influential group of American politicians during the Civil War reconstruction

* [[Radical Party]] member

* [[Radicals (UK)]], parliamentary progressives, predecessors of the [[Liberal Party (UK)]]

* [[Radical period (design)]], a period in late 1960s Italian design

In '''commerce''':

* [[Radical Baroque]], an architectural style

* [[Radical Sportscars]] or [[Radical Motorsport]], [[sports car]] maker in England [http://www.radicalsportscars.com/ ]

* [[Free Radical Design]], a video game developer based in Nottingham, England

==See= alsoLiterature ===

*[[Radicle]]

* ''[[Radical: Taking Back Your Faith from the American Dream]]'', a 2010 book by Christian pastor David Platt

{{disambig}}

* ''[[Radical: My Journey out of Islamist Extremism]]'', a 2012 memoir by British activist Maajid Nawaz

===Film===

[[de:Radikal]]

* [[Radical (film)|''Radical'' (film)]], a 2023 Spanish language film

[[es:Radical]]

[[fr:Radical]]

==Other uses==

[[io:Radiko]]

*[[Murphy Radical]], a Canadian light aircraft design

[[nl:Radicaal]]

*[[pt:Radical, Missouri]], U.S., a ghost town

*[[Radical Sportscars]], a British sports car maker

[[ru:Радикал]]

*[[Radical Entertainment]], a Canadian video game developer

[[sv:Radikal (samhällsvetenskap)]]

*[[Radical.fm]], a digital music streaming service

* ''[[Radical Software]]'', American art journal started in 1970

==See also==

*{{look from|radical}}

*{{intitle|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

{{disambiguation|geo}}