A modern dictionary of Catholic terms, both common and obscure. Find accurate definitions of words and phrases.
The Church's teaching office exercised in a solemn way, as in formal declarations of the Pope or of ecumenical councils of bishops approved by the Pope. When the extraordinary magisterium takes the form of papal definitions or conciliar decisions binding on the consciences of all the faithful in matters of faith and morals, it is infallible.
All items in this dictionary are from Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.