"heptalead" meaning in English

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    {
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        "2": "hepta",
        "3": "lead#Etymology 1"
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      "name": "prefix"
    }
  ],
  "etymology_text": "From hepta- + lead.",
  "head_templates": [
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      "expansion": "heptalead (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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          "orig": "en:Chemistry",
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      "glosses": [
        "Seven atoms of lead in a chemical compound."
      ],
      "id": "en-heptalead-en-noun-yB9~C~--",
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        [
          "chemistry",
          "chemistry"
        ],
        [
          "atom",
          "atom"
        ],
        [
          "lead",
          "lead#Etymology 1"
        ],
        [
          "chemical compound",
          "chemical compound"
        ]
      ],
      "raw_glosses": [
        "(chemistry, in combination) Seven atoms of lead in a chemical compound."
      ],
      "tags": [
        "in-compounds",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "heptalead"
}

{
  "etymology_templates": [
    {
      "args": {
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        "2": "hepta",
        "3": "lead#Etymology 1"
      },
      "expansion": "hepta- + lead",
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  ],
  "etymology_text": "From hepta- + lead.",
  "head_templates": [
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      "expansion": "heptalead (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "en:Chemistry"
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      "glosses": [
        "Seven atoms of lead in a chemical compound."
      ],
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          "chemistry"
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          "atom",
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        "(chemistry, in combination) Seven atoms of lead in a chemical compound."
      ],
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        "in-compounds",
        "uncountable"
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        "chemistry",
        "natural-sciences",
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  ],
  "word": "heptalead"
}