Arianism

Constantius convokes the Council of Arles, which condemns Arianism.
The Great Events by Famous Historians, Volume 03|Various
But times have greatly changed; men can now confess something more than Arianism without trembling with fear.
The Cornwall Coast|Arthur L. Salmon
The reformers were not tolerant; for a woman was burnt for Arianism in 1550 and a male Anabaptist in 1551.
Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 4|Various
The political power really decided the great controversy between Arianism and Athanasianism.
Flowers of Freethought|George W. Foote

Their common language may have been no older than their common Arianism.
Opuscula|Robert Gordon Latham

British Dictionary definitions for Arianism

Arianism

/ (ˈɛərɪəˌnɪzəm) /

noun

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012