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“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)