Definition of: desensitize

(dē·sen′sə·tīz) v.t. ·tized, ·tiz·ing
1. To make less sensitive.
2. Phot. To reduce the sensitiveness to light.
3. Physiol. To lessen the reactive power of (an organ or tissue) to a stimulus, as an allergen, serum, etc.
—de·sen′si·ti·za′tion noun
—de·sen′si·tiz′er noun