Catholic Dictionary

Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.

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AD DIEM ILLUM

Encyclical of Pope Pius X, issued in 1904, explaining that Mary is the mediatrix of all graces. The union of her will with Christ in suffering now makes her "the principal agent in distributing graces."