Dictionary of Theological Terms

39. Trinity, Trinitarian

Trinity – the belief that there is only one God, but that this God includes three Persons: Father, Son, and Holy Spirit. The word sometimes refers to God, sometimes to the doctrine or teaching. It is usually capitalized.

Trinitarian – something related to the Trinity. It’s an adjective that describes a noun, such as Trinitarian theology, or a Trinitarian view of salvation. It’s usually capitalized.