A version of Monarchianism holding that the Godhead is a single being, differentiated only into a succession of modes or operations.
Origin of SabellianismAfter Sabellius, (fl. 3rd cent. AD), Monarchian theologian.
- (Christianity) A Christian belief which holds that God the Father and God the Son are one in the same, the latter often being termed Patripassianism in that it implies God the Father personally suffered on the Cross.
From Sabellius +"Ž -ism, after Sabellius.