verb (used without object), con·sub·stan·ti·at·ed, con·sub·stan·ti·at·ing.
to profess the doctrine of consubstantiation.
to become united in one common substance or nature.
verb (used with object), con·sub·stan·ti·at·ed, con·sub·stan·ti·at·ing.
to unite in one common substance or nature.
to regard as so united.
Origin of consubstantiate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(intr) Christian theol (of the Eucharistic bread and wine and Christ's body and blood) to undergo consubstantiation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012