1. 
[syn: sectarianism, denominationalism]
2.  the tendency, in Protestantism, to separate into religious denominations or to advocate such separations; 
The Collaborative International Dictionary of English v.0.48:
Denominationalism \De*nom`i*na"tion*al*ism\, n.
   A denominational or class spirit or policy; devotion to the
   interests of a sect or denomination.
   [1913 Webster]
WordNet (r) 3.0 (2006):
denominationalism
    n 1: a narrow-minded adherence to a particular sect or party or
         denomination; "he condemned religious sectarianism" [syn:
         sectarianism, denominationalism]
    2: the tendency, in Protestantism, to separate into religious
       denominations or to advocate such separations