"cold dark matter" meaning in English

{
  "abbreviations": [
    {
      "word": "CDM"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "cold dark matter"
      },
      "expansion": "cold dark matter (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",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
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          "name": "Pages with 1 entry",
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          "kind": "other",
          "name": "Pages with entries",
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        },
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          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Lithuanian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Astrophysics",
          "orig": "en:Astrophysics",
          "parents": [
            "Astronomy",
            "Physics",
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Matter",
          "orig": "en:Matter",
          "parents": [
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Dark matter traveling at classical, nonrelativistic speeds."
      ],
      "id": "en-cold_dark_matter-en-noun--JaEYilA",
      "links": [
        [
          "Dark matter",
          "dark matter#English"
        ],
        [
          "travel",
          "travel"
        ],
        [
          "classical",
          "classical"
        ],
        [
          "nonrelativistic",
          "nonrelativistic"
        ],
        [
          "speed",
          "speed"
        ]
      ],
      "related": [
        {
          "word": "hot dark matter"
        },
        {
          "word": "warm dark matter"
        }
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "cold dark matter",
          "word": "kylmä pimeä aine"
        },
        {
          "code": "lt",
          "lang": "Lithuanian",
          "sense": "cold dark matter",
          "tags": [
            "feminine"
          ],
          "word": "šaltoji tamsioji medžiaga"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "cold dark matter",
          "tags": [
            "feminine"
          ],
          "word": "materia oscura fría"
        }
      ],
      "wikipedia": [
        "cold dark matter"
      ]
    }
  ],
  "word": "cold dark matter"
}

{
  "abbreviations": [
    {
      "word": "CDM"
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "cold dark matter"
      },
      "expansion": "cold dark matter (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "hot dark matter"
    },
    {
      "word": "warm dark matter"
    }
  ],
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English uncountable nouns",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with Lithuanian translations",
        "Terms with Spanish translations",
        "en:Astrophysics",
        "en:Matter"
      ],
      "glosses": [
        "Dark matter traveling at classical, nonrelativistic speeds."
      ],
      "links": [
        [
          "Dark matter",
          "dark matter#English"
        ],
        [
          "travel",
          "travel"
        ],
        [
          "classical",
          "classical"
        ],
        [
          "nonrelativistic",
          "nonrelativistic"
        ],
        [
          "speed",
          "speed"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "wikipedia": [
        "cold dark matter"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "cold dark matter",
      "word": "kylmä pimeä aine"
    },
    {
      "code": "lt",
      "lang": "Lithuanian",
      "sense": "cold dark matter",
      "tags": [
        "feminine"
      ],
      "word": "šaltoji tamsioji medžiaga"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "cold dark matter",
      "tags": [
        "feminine"
      ],
      "word": "materia oscura fría"
    }
  ],
  "word": "cold dark matter"
}