adessenarian

from The Century Dictionary.

• noun In ecclesiastical history, a name given in the sixteenth century to those who believed in the real presence of Christ's body in the eucharist, not by transubstantiation, but by impanation (which see).

from the GNU version of the Collaborative International Dictionary of English.

• noun (Eccl. Hist.) One who held the real presence of Christ's body in the eucharist, but not by transubstantiation.