Definition of photodegradable in US English:



  • Capable of being decomposed by the action of light, especially sunlight.

    ‘photodegradable plastic’
    • ‘Some work best in dry climates, others require moisture; some stabilize road bases while others cannot withstand the pressures of vehicle traffic; some are photodegradable while others are not; and so on.’
    • ‘Some photodegradable and biodegradable plastics are already in use in agriculture, according to Tyler.’
    • ‘The patent is issued for ultraviolet protective coatings for application to heat sensitive record materials and other photodegradable printed matter.’
    disposable, expendable, one-use, non-returnable, one-way, single-trip
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