"photodegradation" meaning in English

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  "etymology_text": "Etymology tree\nProto-Indo-European *bʰeh₂-\nProto-Indo-European *bʰéh₂os\nProto-Hellenic *pʰáwos\nAncient Greek φᾰ́ος (phắos)\nAncient Greek φῶς (phôs)\nAncient Greek φωτο- (phōto-)der.\nEnglish photo-\nEnglish degradation\nEnglish photodegradation\nFrom photo- + degradation.",
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      "glosses": [
        "Any reduction or degradation in a useful property of a material because of a chemical change as a result of absorption of light."
      ],
      "id": "en-photodegradation-en-noun-2vosw7L-",
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          "reduction",
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          "absorption",
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          "light",
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  "word": "photodegradation"
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  "word": "photodegradation"
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