Though social theories and philosophical analyses may be termed radical, the primary modern usage of the word radicalism is to designate basic or extreme political challenges to established order. The term (with an upper-case R) came into use in the...

Radical, as a political epithet, has two general meanings, though purists may wish to insist only on its primary derivation. This, from the Latin radix (root), means anyone who advocates far reaching and fundamental change in a political system....

1 Speech sound classified according to its articulator (radix=root of the tongue). As a rule, radicals are divided into uvulars (e.g. ) and pharyngeals (e.g. [ħ], ), depending on their place of articulation. ( also articulatory phonetics,...

An atom or group of atoms that has one or more unpaired...

Radical (from Latin radicis, genitive of radix "root") can refer to many different things and...

I must take strong exception to Hobart Rowen's description of Jesse Jackson's economic platform as too "radical" for the average American {"A Look at Jacksonomics," Business, April 3}. Responding to the mounting Reagan deficits, Mr. Jackson proposes to: 1.) Raise $20 billion...

Is radicalism good or bad? The answer depends on what is meant by "radicalism." Radicalism is good when it means consistently adhering to principles. Among my principles, for example, is that adults who respect the rights of others deserve to live in peace...