1. to make something sensitive to light; to cause a substance or material to respond to light exposure
Usage: technical; chemistry/biology
2. to treat (a biological organism or cell) with a photosensitizing agent to increase its light sensitivity, especially for medical or research purposes
Usage: medical; scientific

Examples

• The dye photosensitizes the polymer, allowing it to respond to UV light.
• Researchers photosensitize the cells before exposing them to the laser.
• The chemical compound photosensitizes the retina in certain experimental treatments.
• This medication photosensitizes the skin, making sun protection essential.
• The process photosensitizes the material so it can be used in optical devices.