from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. degraded by light
Sorry, no etymologies found.
To quote Wikipedia, Unlike debris, which biodegrades, the photodegraded plastic disintegrates into ever-smaller pieces ...
Beyond fragmented and photodegraded plastic, we've come across what are called Windrows, areas in the ocean where currents and wind patterns conspire to make 'patches' where debris collects densely.