"Plücker matrix" meaning in English

{
  "etymology_text": "Named after the German mathematician Julius Plücker.",
  "forms": [
    {
      "form": "Plücker matrices",
      "tags": [
        "plural"
      ]
    }
  ],
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      },
      "expansion": "Plücker matrix (plural Plücker matrices)",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
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            "Sciences",
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      ],
      "glosses": [
        "A special skew-symmetric 4×4 matrix that characterizes a straight line in projective space, and is defined by six Plücker coordinates with four degrees of freedom."
      ],
      "id": "en-Plücker_matrix-en-noun-cDv-4hRM",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "skew-symmetric",
          "skew-symmetric"
        ],
        [
          "Plücker coordinate",
          "Plücker coordinate"
        ],
        [
          "degrees of freedom",
          "degree of freedom"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A special skew-symmetric 4×4 matrix that characterizes a straight line in projective space, and is defined by six Plücker coordinates with four degrees of freedom."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "Julius Plücker",
        "Plücker matrix"
      ]
    }
  ],
  "word": "Plücker matrix"
}

{
  "etymology_text": "Named after the German mathematician Julius Plücker.",
  "forms": [
    {
      "form": "Plücker matrices",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "Plücker matrices"
      },
      "expansion": "Plücker matrix (plural Plücker matrices)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English countable nouns",
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        "en:Mathematics"
      ],
      "glosses": [
        "A special skew-symmetric 4×4 matrix that characterizes a straight line in projective space, and is defined by six Plücker coordinates with four degrees of freedom."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "skew-symmetric",
          "skew-symmetric"
        ],
        [
          "Plücker coordinate",
          "Plücker coordinate"
        ],
        [
          "degrees of freedom",
          "degree of freedom"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A special skew-symmetric 4×4 matrix that characterizes a straight line in projective space, and is defined by six Plücker coordinates with four degrees of freedom."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "Julius Plücker",
        "Plücker matrix"
      ]
    }
  ],
  "word": "Plücker matrix"
}