"photocyclization" meaning in English

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  "etymology_text": "photo- + cyclization",
  "forms": [
    {
      "form": "photocyclizations",
      "tags": [
        "plural"
      ]
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  ],
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      "expansion": "photocyclization (countable and uncountable, plural photocyclizations)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
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        {
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          "name": "Chemistry",
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      ],
      "glosses": [
        "Any intramolecular photochemical process leading to a ring system by formation of one new single bond, either by a concerted process (e.g., electrocyclization) or by multi-step processes such as the Norrish-Yang reaction."
      ],
      "id": "en-photocyclization-en-noun-JLN-5LXY",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "physics",
          "physics"
        ],
        [
          "intramolecular",
          "intramolecular"
        ],
        [
          "photochemical",
          "photochemical"
        ],
        [
          "ring",
          "ring"
        ],
        [
          "single bond",
          "single bond"
        ],
        [
          "electrocyclization",
          "electrocyclization"
        ],
        [
          "Norrish-Yang reaction",
          "Norrish-Yang reaction"
        ]
      ],
      "raw_glosses": [
        "(chemistry, physics) Any intramolecular photochemical process leading to a ring system by formation of one new single bond, either by a concerted process (e.g., electrocyclization) or by multi-step processes such as the Norrish-Yang reaction."
      ],
      "tags": [
        "countable",
        "uncountable"
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      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "photocyclization"
}

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        "2": "photo",
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      "expansion": "photo- + cyclization",
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  ],
  "etymology_text": "photo- + cyclization",
  "forms": [
    {
      "form": "photocyclizations",
      "tags": [
        "plural"
      ]
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "Any intramolecular photochemical process leading to a ring system by formation of one new single bond, either by a concerted process (e.g., electrocyclization) or by multi-step processes such as the Norrish-Yang reaction."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "physics",
          "physics"
        ],
        [
          "intramolecular",
          "intramolecular"
        ],
        [
          "photochemical",
          "photochemical"
        ],
        [
          "ring",
          "ring"
        ],
        [
          "single bond",
          "single bond"
        ],
        [
          "electrocyclization",
          "electrocyclization"
        ],
        [
          "Norrish-Yang reaction",
          "Norrish-Yang reaction"
        ]
      ],
      "raw_glosses": [
        "(chemistry, physics) Any intramolecular photochemical process leading to a ring system by formation of one new single bond, either by a concerted process (e.g., electrocyclization) or by multi-step processes such as the Norrish-Yang reaction."
      ],
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        "countable",
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        "chemistry",
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        "physical-sciences",
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  "word": "photocyclization"
}