"muononium" meaning in English

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  "etymology_text": "From muon + -onium.",
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      "glosses": [
        "an exotic atom formed when an antimuon and a muon are bound by their mutual electrical attraction"
      ],
      "hypernyms": [
        {
          "word": "onium"
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          "word": "exotic atom"
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      "id": "en-muononium-en-noun-aso8jThM",
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          "antimuon",
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          "muon",
          "muon"
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          "mutual",
          "mutual"
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          "electrical",
          "electrical"
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          "attraction",
          "attraction"
        ]
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        "(physics) an exotic atom formed when an antimuon and a muon are bound by their mutual electrical attraction"
      ],
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        {
          "word": "tauonium"
        },
        {
          "word": "muonium"
        },
        {
          "word": "positronium"
        }
      ],
      "synonyms": [
        {
          "word": "true muonium"
        }
      ],
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        "uncountable"
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        "natural-sciences",
        "physical-sciences",
        "physics"
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        "muononium"
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  "word": "muononium"
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  "etymology_text": "From muon + -onium.",
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  "pos": "noun",
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      "word": "tauonium"
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      "word": "muonium"
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      "word": "positronium"
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        "an exotic atom formed when an antimuon and a muon are bound by their mutual electrical attraction"
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        "(physics) an exotic atom formed when an antimuon and a muon are bound by their mutual electrical attraction"
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  "word": "muononium"
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