"demethylation" meaning in English

{
  "antonyms": [
    {
      "word": "methylation"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "de",
        "3": "methylation"
      },
      "expansion": "de- + methylation",
      "name": "prefix"
    }
  ],
  "etymology_text": "From de- + methylation.",
  "forms": [
    {
      "form": "demethylations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "demethylation (plural demethylations)",
      "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"
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          "parents": [],
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        {
          "kind": "other",
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          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biochemistry",
          "orig": "en:Biochemistry",
          "parents": [
            "Biology",
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemical reactions",
          "orig": "en:Chemical reactions",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic chemistry",
          "orig": "en:Organic chemistry",
          "parents": [
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "1999, Matt Ridley, Genome, Harper Perennial, published 2004, page 212:",
          "text": "That imprinted genes escape demethylation is, we now know, all that stood between science and the cloning of mammals for many years.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The removal of one or more methyl groups from a molecule."
      ],
      "id": "en-demethylation-en-noun-SUH0QSRz",
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "methyl",
          "methyl"
        ]
      ],
      "raw_glosses": [
        "(biochemistry, organic chemistry) The removal of one or more methyl groups from a molecule."
      ],
      "related": [
        {
          "word": "deethylation"
        },
        {
          "word": "demethylate"
        }
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "id",
          "lang": "Indonesian",
          "sense": "removal of one or more methyl groups",
          "word": "demetilasi"
        },
        {
          "code": "ms",
          "lang": "Malay",
          "sense": "removal of one or more methyl groups",
          "word": "penyahmetilan"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "removal of one or more methyl groups",
          "tags": [
            "feminine"
          ],
          "word": "desmetilación"
        }
      ],
      "wikipedia": [
        "demethylation"
      ]
    }
  ],
  "word": "demethylation"
}

{
  "antonyms": [
    {
      "word": "methylation"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "de",
        "3": "methylation"
      },
      "expansion": "de- + methylation",
      "name": "prefix"
    }
  ],
  "etymology_text": "From de- + methylation.",
  "forms": [
    {
      "form": "demethylations",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "demethylation (plural demethylations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "deethylation"
    },
    {
      "word": "demethylate"
    }
  ],
  "senses": [
    {
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        "English countable nouns",
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        "Entries with translation boxes",
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        "en:Biochemistry",
        "en:Chemical reactions",
        "en:Organic chemistry"
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      "examples": [
        {
          "ref": "1999, Matt Ridley, Genome, Harper Perennial, published 2004, page 212:",
          "text": "That imprinted genes escape demethylation is, we now know, all that stood between science and the cloning of mammals for many years.",
          "type": "quote"
        }
      ],
      "glosses": [
        "The removal of one or more methyl groups from a molecule."
      ],
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "methyl",
          "methyl"
        ]
      ],
      "raw_glosses": [
        "(biochemistry, organic chemistry) The removal of one or more methyl groups from a molecule."
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "wikipedia": [
        "demethylation"
      ]
    }
  ],
  "translations": [
    {
      "code": "id",
      "lang": "Indonesian",
      "sense": "removal of one or more methyl groups",
      "word": "demetilasi"
    },
    {
      "code": "ms",
      "lang": "Malay",
      "sense": "removal of one or more methyl groups",
      "word": "penyahmetilan"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "removal of one or more methyl groups",
      "tags": [
        "feminine"
      ],
      "word": "desmetilación"
    }
  ],
  "word": "demethylation"
}