"photocyclodehydrogenation" meaning in English

{
  "forms": [
    {
      "form": "photocyclodehydrogenations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "photocyclodehydrogenation (countable and uncountable, plural photocyclodehydrogenations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Long English words",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "A photocatalytic cyclization and dehydrogenation for synthesizing polycyclic aromatic compounds."
      ],
      "id": "en-photocyclodehydrogenation-en-noun-Di0GLUXK",
      "links": [
        [
          "photocatalytic",
          "photocatalytic"
        ],
        [
          "cyclization",
          "cyclization"
        ],
        [
          "dehydrogenation",
          "dehydrogenation"
        ],
        [
          "polycyclic aromatic",
          "polycyclic aromatic"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "photocyclodehydrogenation"
}

{
  "forms": [
    {
      "form": "photocyclodehydrogenations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "photocyclodehydrogenation (countable and uncountable, plural photocyclodehydrogenations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English uncountable nouns",
        "Long English words"
      ],
      "glosses": [
        "A photocatalytic cyclization and dehydrogenation for synthesizing polycyclic aromatic compounds."
      ],
      "links": [
        [
          "photocatalytic",
          "photocatalytic"
        ],
        [
          "cyclization",
          "cyclization"
        ],
        [
          "dehydrogenation",
          "dehydrogenation"
        ],
        [
          "polycyclic aromatic",
          "polycyclic aromatic"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "photocyclodehydrogenation"
}