"BZ black hole" meaning in English

{
  "etymology_text": "An initialism of Roger Blandford and Roman Znajek, theoretical astrophysicists.",
  "forms": [
    {
      "form": "BZ black holes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "BZ black hole (plural BZ black holes)",
      "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": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "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": "Cosmology",
          "orig": "en:Cosmology",
          "parents": [
            "Astronomy",
            "Sciences",
            "Space",
            "All topics",
            "Nature",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2002, Chang-Hwan Lee, Hŏn-yŏng Chang (editors), Current High-energy Emission Around Black Holes, page 36:",
          "text": "The 'Blandford-Znajek' (BZ) black hole magnetospheric power extraction process was one of the first (1977) analytic attempts to define a general relativistic theory for axisymmetric, stationary, ideal-MHD, BH magnetospheres.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A rotating black hole that extracts energy from its rotation and magnetic fields to emit a jet of particles and radiation."
      ],
      "id": "en-BZ_black_hole-en-noun-bckMyeq4",
      "links": [
        [
          "astrophysics",
          "astrophysics"
        ],
        [
          "cosmology",
          "cosmology"
        ],
        [
          "rotating",
          "rotate"
        ],
        [
          "black hole",
          "black hole"
        ],
        [
          "extract",
          "extract"
        ],
        [
          "rotation",
          "rotation"
        ],
        [
          "magnetic",
          "magnetic"
        ],
        [
          "field",
          "field"
        ],
        [
          "emit",
          "emit"
        ],
        [
          "jet",
          "jet"
        ],
        [
          "particle",
          "particle"
        ],
        [
          "radiation",
          "radiation"
        ]
      ],
      "raw_glosses": [
        "(astrophysics, cosmology) A rotating black hole that extracts energy from its rotation and magnetic fields to emit a jet of particles and radiation."
      ],
      "topics": [
        "astronomy",
        "astrophysics",
        "cosmology",
        "natural-sciences"
      ]
    }
  ],
  "word": "BZ black hole"
}

{
  "etymology_text": "An initialism of Roger Blandford and Roman Znajek, theoretical astrophysicists.",
  "forms": [
    {
      "form": "BZ black holes",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "BZ black hole (plural BZ black holes)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Astrophysics",
        "en:Cosmology"
      ],
      "examples": [
        {
          "ref": "2002, Chang-Hwan Lee, Hŏn-yŏng Chang (editors), Current High-energy Emission Around Black Holes, page 36:",
          "text": "The 'Blandford-Znajek' (BZ) black hole magnetospheric power extraction process was one of the first (1977) analytic attempts to define a general relativistic theory for axisymmetric, stationary, ideal-MHD, BH magnetospheres.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A rotating black hole that extracts energy from its rotation and magnetic fields to emit a jet of particles and radiation."
      ],
      "links": [
        [
          "astrophysics",
          "astrophysics"
        ],
        [
          "cosmology",
          "cosmology"
        ],
        [
          "rotating",
          "rotate"
        ],
        [
          "black hole",
          "black hole"
        ],
        [
          "extract",
          "extract"
        ],
        [
          "rotation",
          "rotation"
        ],
        [
          "magnetic",
          "magnetic"
        ],
        [
          "field",
          "field"
        ],
        [
          "emit",
          "emit"
        ],
        [
          "jet",
          "jet"
        ],
        [
          "particle",
          "particle"
        ],
        [
          "radiation",
          "radiation"
        ]
      ],
      "raw_glosses": [
        "(astrophysics, cosmology) A rotating black hole that extracts energy from its rotation and magnetic fields to emit a jet of particles and radiation."
      ],
      "topics": [
        "astronomy",
        "astrophysics",
        "cosmology",
        "natural-sciences"
      ]
    }
  ],
  "word": "BZ black hole"
}