Monarchianism: Meaning and Definition of

Mo•nar•chi•an•ism

Pronunciation: (mu-när'kē-u-niz"um), [key]
— n. Theol.
  1. any of several doctrines of the Christian church in the 2nd and 3rd centuriesa.d.,emphasizing the unity of God by maintaining that the Father, the Son, and the Holy Ghost are three manifestations or aspects of God.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.