Arianism

[air-ee-uh-niz-uh m, ar-] /ˈɛər i əˌnɪz əm, ˈær-/
noun, Theology
1.
the doctrine, taught by Arius, that Christ the Son was not consubstantial with God the Father.
Origin
1590-1600; Arian + -ism
Related forms
Arianistic, Arianistical, adjective
British Dictionary definitions for Arianism

Arianism

/ˈɛərɪəˌnɪzəm/
noun
1.
the doctrine of Arius, pronounced heretical at the Council of Nicaea, which asserted that Christ was not of one substance with the Father, but a creature raised by the Father to the dignity of Son of God
Word Origin and History for Arianism
n.

c.1600, from Arian + -ism.