'Revolutionary Proletarian Nucleus' definitions:

Definition of 'Revolutionary Proletarian Nucleus'

(from WordNet)
noun
A clandestine group of leftist extremists who oppose Italy's labor policies and foreign policy; responsible for bombing building in the historic center of Rome from 2000 to 2002 [syn: Revolutionary Proletarian Nucleus, Revolutionary Proletarian Initiative Nuclei, NIPR]