"dehydration reaction" meaning in English

{
  "forms": [
    {
      "form": "dehydration reactions",
      "tags": [
        "plural"
      ]
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  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "dehydration reaction (plural dehydration reactions)",
      "name": "en-noun"
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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",
          "parents": [],
          "source": "w"
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          "name": "Biochemistry",
          "orig": "en:Biochemistry",
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          "langcode": "en",
          "name": "Chemical reactions",
          "orig": "en:Chemical reactions",
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          "langcode": "en",
          "name": "Water",
          "orig": "en:Water",
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      ],
      "glosses": [
        "An elimination reaction in which the small molecule removed is water"
      ],
      "id": "en-dehydration_reaction-en-noun-H44oOcvC",
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "elimination reaction",
          "elimination reaction"
        ],
        [
          "water",
          "water"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) An elimination reaction in which the small molecule removed is water"
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "dehydration reaction"
}

{
  "forms": [
    {
      "form": "dehydration reactions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "dehydration reaction (plural dehydration reactions)",
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  "lang_code": "en",
  "pos": "noun",
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        "en:Biochemistry",
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      "glosses": [
        "An elimination reaction in which the small molecule removed is water"
      ],
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "elimination reaction",
          "elimination reaction"
        ],
        [
          "water",
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        ]
      ],
      "raw_glosses": [
        "(biochemistry) An elimination reaction in which the small molecule removed is water"
      ],
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        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "dehydration reaction"
}