- the belief in, or doctrine of, the Trinity.
Origin of Trinitarianism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for trinitarianism
And this is naturally to be expected, because God is one Trinitarianism is not Tritheism.The Theology of Holiness
He returned to Trinitarianism, and a singular and childlike humility became one of his most marked characteristics.A Short Biographical Dictionary of English Literature
John W. Cousin