You searched for: “photodegradable
photodegradable (adjective), more photodegradable, most photodegradable
Able to be decomposed into a simpler substance especially by ultraviolet light; The plastic bottle that had been thrown out of the car window was photodegradable and considered to be trash, and was done by a litterbug.
This entry is located in the following units: -able (page 29) grad-, -grade, -gred, -gree, -gress (page 5) photo-, phot-, -photic (page 7)