meaning of consubstantiation
1. An identity or union of substance.
2. The actual, substantial presence of the body of Christ with the bread and wine of the sacrament of the Lords Supper; impanation; -- opposed to transubstantiation.
3. the doctrine of the High Anglican Church that after the consecration of the Eucharist the substance of the body and blood of Christ coexists with the substance of the consecrated bread and wine