Arianism
WordNet
noun
(1) Heretical doctrine taught by Arius that asserted the radical primacy of the Father over the Son
WiktionaryText
Noun
- According to Trinitarian Christians, a Christological heresy. Arianism originates in the teachings of Arius in the early fourth century, which stated Christ was not of the same substance as God the Father, but of a similar substance . Supported by nontrinitarian Christian churches.