re·place·ment therapy ri-'plā-smənt- n therapy involving the supplying of something (as nutrients or blood) lacking from or lost to the system see ESTROGEN REPLACEMENT THERAPY, HORMONE REPLACEMENT THERAPY
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1. treatment to replace deficiencies in body products by administration of natural or synthetic substitutes. Called also substitution t. 2. treatment such as hemodialysis or transplantation that replaces or compensates for a nonfunctioning organ.Medical dictionary. 2011.