Na·zism 
(nätsĭz′əm, năt-) also Na·zi·ism (-sē-ĭz′əm)
(nätsĭz′əm, năt-) also Na·zi·ism (-sē-ĭz′əm)n.
The ideology and practice of the Nazis, especially the policy of racist nationalism, national expansion, and state control of the economy.