"dark hydrogen" meaning in All languages combined

{
  "etymology_text": "From being a state of matter which neither transmits nor reflects visible light, but can transmit infrared.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "dark hydrogen (uncountable)",
      "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"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "en",
          "name": "Allotropes",
          "orig": "en:Allotropes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Hydrogen",
          "orig": "en:Hydrogen",
          "parents": [
            "Chemical elements",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2000, F. Combes, G. Pineau des Forets, Molecular Hydrogen in Space, page 48",
          "text": "One particular species of these candidates seems to be not dark at all: so-called dark hydrogen masses located in the optical Galactic disk.",
          "type": "quotation"
        },
        {
          "ref": "2007, Florentin Smarandache, V. Christianto, Hadron models and related New Energy issues, page 96",
          "text": "The over-unity energy production could be due to a gradual transformation of hydrogen to dark hydrogen in the same state as in water.",
          "type": "quotation"
        },
        {
          "ref": "2013, Tokio Ohta, Solar-Hydrogen Energy Systems",
          "text": "However, the rates of dark hydrogen production were relatively low.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A state of hydrogen that is poorly electrically conductive (much less conductive than metallic hydrogen)."
      ],
      "id": "en-dark_hydrogen-en-noun-eZwsdFrJ",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "state",
          "state"
        ],
        [
          "hydrogen",
          "hydrogen"
        ],
        [
          "conductive",
          "conductive"
        ],
        [
          "metallic hydrogen",
          "metallic hydrogen"
        ]
      ],
      "raw_glosses": [
        "(physics) A state of hydrogen that is poorly electrically conductive (much less conductive than metallic hydrogen)."
      ],
      "related": [
        {
          "word": "metallic hydrogen"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "dark hydrogen"
}

{
  "etymology_text": "From being a state of matter which neither transmits nor reflects visible light, but can transmit infrared.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "dark hydrogen (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "metallic hydrogen"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "English uncountable nouns",
        "en:Allotropes",
        "en:Hydrogen",
        "en:Physics"
      ],
      "examples": [
        {
          "ref": "2000, F. Combes, G. Pineau des Forets, Molecular Hydrogen in Space, page 48",
          "text": "One particular species of these candidates seems to be not dark at all: so-called dark hydrogen masses located in the optical Galactic disk.",
          "type": "quotation"
        },
        {
          "ref": "2007, Florentin Smarandache, V. Christianto, Hadron models and related New Energy issues, page 96",
          "text": "The over-unity energy production could be due to a gradual transformation of hydrogen to dark hydrogen in the same state as in water.",
          "type": "quotation"
        },
        {
          "ref": "2013, Tokio Ohta, Solar-Hydrogen Energy Systems",
          "text": "However, the rates of dark hydrogen production were relatively low.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A state of hydrogen that is poorly electrically conductive (much less conductive than metallic hydrogen)."
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "state",
          "state"
        ],
        [
          "hydrogen",
          "hydrogen"
        ],
        [
          "conductive",
          "conductive"
        ],
        [
          "metallic hydrogen",
          "metallic hydrogen"
        ]
      ],
      "raw_glosses": [
        "(physics) A state of hydrogen that is poorly electrically conductive (much less conductive than metallic hydrogen)."
      ],
      "tags": [
        "uncountable"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "word": "dark hydrogen"
}