The DMDC/DEERS Support Office is open Monday-Friday, excluding U.S. federal holidays, 6:00 A.M. - 3:30 P.M. Pacific time (9:00 A.M. - 6:30 P.M. Eastern time).
See also: incorporation. INFUSION, med. jur. A pharmaceutical operation, which consists in pouring a hot or cold fluid upon a substance, whose medical properties it is desired to extract. Infusion is also used for the product of this operation.
Definition of transfusion. 1  1 : an act, process, or instance of transfusing; especially : the process of transfusing fluid (such as blood) into a vein or artery. 2  2 : something transfused.