"primordial black hole" meaning in All languages combined

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  "etymology_text": "primordial + black hole.\nFrom being black holes formed before the start of the Stellariferous Age.",
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      "form": "primordial black holes",
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      "glosses": [
        "A black hole which is formed by direct collapse of primordial gas and dark matter, before the first stars ever formed, in a Big Bang universe."
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          "word": "black hole"
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        {
          "word": "MBH"
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  "word": "primordial black hole"
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  "etymology_text": "primordial + black hole.\nFrom being black holes formed before the start of the Stellariferous Age.",
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