1º_ Relative to the origin, to the root of something . It comes from the Latin radix, icis ("root"). 2º_ In mathematics it is the sign of radication ( ? ) . 3º_ In language it is the coincident part of the words that are related or are cognate. 4º_ In chemistry it is a way of calling the ion ("electrically charged particle"). 5º_ In Argentina he is a member or follower of the political party Unión Cívica Radical (UCR). 6º_ In some countries it is mistakenly used as radicalized, perhaps because of the influence of English.
