"CH activation" meaning in English

{
  "forms": [
    {
      "form": "CH activations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~",
        "head": "CH activation"
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      "expansion": "CH activation (countable and uncountable, plural CH activations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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        {
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          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "glosses": [
        "Any of a wide range of techniques, often using catalysts, in which a carbon to hydrogen covalent bond of an organic compound is made to cleave in order to replace the hydrogen with a functional group."
      ],
      "id": "en-CH_activation-en-noun-d5W9zB4e",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "catalyst",
          "catalyst"
        ],
        [
          "carbon",
          "carbon"
        ],
        [
          "hydrogen",
          "hydrogen"
        ],
        [
          "covalent bond",
          "covalent bond"
        ],
        [
          "organic compound",
          "organic compound"
        ],
        [
          "cleave",
          "cleave"
        ],
        [
          "functional group",
          "functional group"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Any of a wide range of techniques, often using catalysts, in which a carbon to hydrogen covalent bond of an organic compound is made to cleave in order to replace the hydrogen with a functional group."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "CH activation"
}

{
  "forms": [
    {
      "form": "CH activations",
      "tags": [
        "plural"
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    }
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  "head_templates": [
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      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
        "English entries with incorrect language header",
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        "English nouns",
        "English uncountable nouns",
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        "en:Organic chemistry"
      ],
      "glosses": [
        "Any of a wide range of techniques, often using catalysts, in which a carbon to hydrogen covalent bond of an organic compound is made to cleave in order to replace the hydrogen with a functional group."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "catalyst",
          "catalyst"
        ],
        [
          "carbon",
          "carbon"
        ],
        [
          "hydrogen",
          "hydrogen"
        ],
        [
          "covalent bond",
          "covalent bond"
        ],
        [
          "organic compound",
          "organic compound"
        ],
        [
          "cleave",
          "cleave"
        ],
        [
          "functional group",
          "functional group"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) Any of a wide range of techniques, often using catalysts, in which a carbon to hydrogen covalent bond of an organic compound is made to cleave in order to replace the hydrogen with a functional group."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "word": "CH activation"
}