1. to undergo or cause oxidation in the presence of light
Usage: chemistry; technical

Examples

• Certain polymers photooxidize when exposed to prolonged sunlight.
• The researchers studied how UV radiation causes organic compounds to photooxidize.
• Plastic materials can photooxidize and become brittle over time.
• The dye molecules photooxidize in the presence of oxygen and light.
• Industrial processes sometimes use catalysts to photooxidize pollutants.