Cyclopedia of Biblical, Theological and Ecclesiastical Literature
the doctrine that, in the Lord's Supper, the bread remains bread, and the wine remains wine; but that with and by means of the consecrated elements the true natural body and blood of Christ are communicated to the recipients. It differs from Transubstantiation (q.v.) in that it does not imply a change in the substance of the elements. Browne on 39 Articles, art. 28, 1; Hagenbach, History of Doctrines, 2:309 (Smith's ed.). (See IMPANATION); (See LORDS SUPPER); (See LUTHER); (See LUTHERAN CHURCH); (See TRANSUBSTANTIATION).
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McClintock, John. Strong, James. Entry for 'Consubstantiation'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/encyclopedias/eng/tce/c/consubstantiation.html. Harper & Brothers. New York. 1870.