To make someone or something more aware of or responsive to certain stimuli or issues. The campaign aims to sensitize the public to the importance of recycling.
To make a material or organism sensitive to a particular substance or condition. The doctor had to sensitize the patient to the new medication gradually.
To induce an immune response that makes an organism hypersensitive to a specific antigen. Repeated exposure to pollen can sensitize the immune system, triggering severe allergic reactions.
To become sensitive or sensitized to a substance, stimulus, or issue. After prolonged exposure, many laboratory animals sensitize to the chemical and show adverse reactions.