Radical 25888 225549106 2008-07-14T07:14:05Z HenryLi 149793 '''Radical''' (from Latin ''radicis'', genitive of ''radix'' "root") can refer to many different things and concepts. ==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]] <!-- very widely used term ; article needed --> ==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)|''Radical'' (Smack album)]], Smack's fourth studio album, released in 1988 ==Other== *In [[cabinet making]], another way of saying external plinth{{fact|date=February 2008}} *[[Radical Baroque]], in architecture {{disambig}} [[zh-yue:Radical]] [[ca:Radical]] [[de:Radikal]] [[es:Radical]] [[fr:Radical]] [[io:Radiko]] [[it:Radicale]] [[nl:Radicaal]] [[ja:ラジカル]] [[no:Radikal]] [[pt:Radical]] [[ro:Radical]] [[ru:Радикал]] [[sl:Radikal]] [[fi:Radikaali]] [[sv:Radikal]] [[zh:基]]