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The term radical was already in use when the now obsolete radical theory was developed. Louis-Bernard Guyton de Morveau introduced the phrase "radical" in 1785 and the phrase was employed by Antoine Lavoisier in 1789 in his Traité Élémentaire de Chimie. A radical was then identified as the root base of certain acids (the Latin word "radix ...
In general, the lead sentence should include the article title, or some variation thereof, in bold along with any alternate names, also in bold. The lead sentence should state that the article is about a topic in mathematics, unless the title already does so.
A root (also known as a root word or radical) is the core of a word that is irreducible into more meaningful elements. [1] In morphology , a root is a morphologically simple unit which can be left bare or to which a prefix or a suffix can attach.
In contemporary usage, the term radical refers to various free radicals, which are species that have an unpaired electron and need not be charged. [ citation needed ] [ 3 ] A simple example of a polyatomic ion is the hydroxide ion, which consists of one oxygen atom and one hydrogen atom, jointly carrying a net charge of −1 ; its chemical ...
Radical expression involving roots, also known as an nth root; 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
Radical (chemistry) → – the opening sentence says "In chemistry, a radical (more precisely, a free radical)...", and according to the last paragraph of the lead: Until late in the 20th century the word "radical" was used in chemistry to indicate any connected group of atoms, such as a methyl group or a carboxyl, whether it was part of a ...
The term radical is used by the right wing in the United States to describe elements of the Democratic Party Do not edit this sentence again without an explanation. The previous version contained POV language.
A radical translation is therefore impossible. As a special part of this theory the inscrutability of reference indicates that, in trying to find out to which object a certain word (also sentence, sign etc.) of a language refers, there is never only one single possibility.