"methanal" meaning in English

{
  "forms": [
    {
      "form": "methanals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "methanal (plural methanals)",
      "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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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Persian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic compounds",
          "orig": "en:Organic compounds",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
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          "source": "w"
        }
      ],
      "glosses": [
        "The IUPAC name for formaldehyde, rarely used in research or industry."
      ],
      "id": "en-methanal-en-noun-g1FJARhc",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "IUPAC",
          "IUPAC#English"
        ],
        [
          "formaldehyde",
          "formaldehyde#English"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The IUPAC name for formaldehyde, rarely used in research or industry."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "fa",
          "lang": "Persian",
          "roman": "metânâl",
          "sense": "IUPAC name for formaldehyde",
          "word": "متانال"
        }
      ]
    }
  ],
  "word": "methanal"
}

{
  "forms": [
    {
      "form": "methanals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "methanal (plural methanals)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
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        "English nouns",
        "Pages with 2 entries",
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        "en:Organic compounds"
      ],
      "glosses": [
        "The IUPAC name for formaldehyde, rarely used in research or industry."
      ],
      "links": [
        [
          "organic chemistry",
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        ],
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          "IUPAC",
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          "formaldehyde#English"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) The IUPAC name for formaldehyde, rarely used in research or industry."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "fa",
      "lang": "Persian",
      "roman": "metânâl",
      "sense": "IUPAC name for formaldehyde",
      "word": "متانال"
    }
  ],
  "word": "methanal"
}