noun.
The treatment of disease by adjusting the body's immune response.
noun.
The treatment of cancer by improving the ability of the host to reject a tumourimmunologically.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
therapy designed to produce immunity to a disease or to enhance resistance by the immune system
Word Usage
"The term immunotherapy is used to describe treatments that can be used to re-program the immune system of people (or animals) with allergies; usually this involves repeatedly exposing the immune system to small amounts of the allergen."