1. capable of being broken down or decomposed by the action of light, especially sunlight
Usage: technical; commonly used in environmental and materials science contexts

Examples

• Photodegradable plastics are designed to break down when exposed to ultraviolet light.
• The manufacturer claims their packaging is photodegradable and will decompose within months in sunlight.
• Researchers are developing photodegradable polymers to reduce plastic waste in the environment.
• Unlike traditional plastics, photodegradable materials can be broken down by solar radiation.
• The photodegradable film is ideal for agricultural applications where it will eventually decompose in the field.