Pronunciation: (tran"sub-stan'shē-āt"), [key]
—v.t., -at•ed, -at•ing.
1. to change from one substance into another; transmute.
2. Theol.to change (the bread and wine) into the body and blood of Christ in the Eucharist.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.