radicalism

n.

激进主义；基本原理；

1. This error is typical of vulgar radicalism.
   这种错误是庸俗激进主义的典型。
2. It was a stunning act of radicalism which has lasted.
   这在当时是一种令人震惊的激进行为，并一直延续了下来。

The growth of philosophic radicalism
Radicalism or Reformism: The Sources of Working-Class Politics
Genealogies of Islamic radicalism in post-Suharto Indonesia
The solace of radicalism: Self-uncertainty and group identification in the face of threat.
Resonance and Radicalism: Feminist Framing in the Abortion Debates of the United States and Germany
Black Religion and Black Radicalism: An Examination of the Black Experience in Religion.
Resistant Structures: Particularity, Radicalism, and Renaissance Texts (review)
Veering Toward Radicalism: A Case Study on the Increase of the Popular Support for Organized Radical Movements in Poland
The Tragedy of the Nomenklatura Career Incentives and Political Radicalism during China's Great Leap Famine
Affective Communities: Anticolonial Thought, Fin-de-Siècle Radicalism, and the Politics of Friendship (review)