"hydrocracking" meaning in English

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  "etymology_text": "From hydro- + cracking.",
  "forms": [
    {
      "form": "hydrocrackings",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "the production of high-octane petroleum fuel and kerosene by hydrogenating large or complex hydrocarbons and then cracking them."
      ],
      "id": "en-hydrocracking-en-noun-uRv9ZKm8",
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          "petroleum",
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          "fuel",
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          "kerosene",
          "kerosene"
        ],
        [
          "hydrogenating",
          "hydrogenate"
        ],
        [
          "hydrocarbon",
          "hydrocarbon"
        ],
        [
          "cracking",
          "cracking"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) the production of high-octane petroleum fuel and kerosene by hydrogenating large or complex hydrocarbons and then cracking them."
      ],
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        "uncountable",
        "usually"
      ],
      "topics": [
        "chemistry",
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      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "hydrogenation combined with cracking",
          "word": "vetykrakkaus"
        }
      ]
    }
  ],
  "word": "hydrocracking"
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        "present participle and gerund of hydrocrack"
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  "word": "hydrocracking"
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  "etymology_text": "From hydro- + cracking.",
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          "hydrocarbon",
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          "cracking",
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      ],
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      ],
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      "sense": "hydrogenation combined with cracking",
      "word": "vetykrakkaus"
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  ],
  "word": "hydrocracking"
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        "present participle and gerund of hydrocrack"
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          "hydrocrack#English"
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