Search Result for "marcionism": 
Wordnet 3.0

NOUN (1)

1. the Christian heresy of the 2nd and 3rd centuries that rejected the Old Testament and denied the incarnation of God in Jesus as a human; 



WordNet (r) 3.0 (2006):

Marcionism
    n 1: the Christian heresy of the 2nd and 3rd centuries that
         rejected the Old Testament and denied the incarnation of
         God in Jesus as a human