"supereon" meaning in English

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  "etymology_text": "From super- + eon.",
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      "tags": [
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          "ref": "2015, Charles S. Cockell, Astrobiology: Understanding Life in the Universe, page 254:",
          "text": "Sometimes the Hadean, Archean and Proterozoic are lumped together in a supereon called the Precambrian.",
          "type": "quote"
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        "A time period encompassing more than one eon, principally used to characterize the Precambrian."
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          "Precambrian",
          "Precambrian"
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        "(geology) A time period encompassing more than one eon, principally used to characterize the Precambrian."
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  "word": "supereon"
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  ],
  "etymology_text": "From super- + eon.",
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          "ref": "2015, Charles S. Cockell, Astrobiology: Understanding Life in the Universe, page 254:",
          "text": "Sometimes the Hadean, Archean and Proterozoic are lumped together in a supereon called the Precambrian.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A time period encompassing more than one eon, principally used to characterize the Precambrian."
      ],
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