What does Allergy desensitization mean?

Allergy desensitization meaning in Medical Dictionary

Stimulation of immune system with slowly increasing amounts of this substances that a person is sensitive so that you can alter or stop the sensitive reaction. This as a type of treatment solutions are very effective for allergies to pollen, mites, pet dander, and stinging pests, including bees, hornets, yellow jackets, wasps, velvet ants, fire ants, and particular needed medicines.