Trotskyism
Concise Oxford English Dictionary © 2008 Oxford University Press:
Trotskyism/ˈtrɒtskɪɪz(ə)m/
▶noun the political or economic principles of the Russian revolutionary Leon Trotsky (1879–1940), especially the theory that socialism should be established throughout the world by continuing revolution.
– derivatives
Trotskyist noun & adjective,
Trotskyite noun & adjective (derogatory).
Trotskyist noun & adjective,
Trotskyite noun & adjective (derogatory).
'Trotskyism' also found in these Oxford entries:

