D defs.my
Entry 2 senses Webster, 1913

Transubstantiation

· Tran·sub·stan·ti·a·tion · IPA /tɹænz.səbˈstæn.ʃiˌeɪ.ʃən/
01 n. A change into another substance.
  1. 1.
    A change into another substance.
  2. 2.
    The doctrine held by Roman Catholics, that the bread and wine in the Mass is converted into the body and blood of Christ; -- distinguished from consubstantiation, and impanation.(R. C. Theol.)