"groundset" meaning in English

{
  "forms": [
    {
      "form": "groundsets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "groundset (plural groundsets)",
      "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": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2015, Rudi Pendavingh, Jorn van der Pol, “Enumerating matroids of fixed rank”, in arXiv:",
          "text": "In this paper we consider the relation between the number of sparse paving matroids s(n,r) and the number of matroids m(n,r) on a fixed groundset of size n of fixed rank r.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A vector space upon which matroids may be paved"
      ],
      "id": "en-groundset-en-noun-Q6fi4BFI",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "vector space",
          "vector space"
        ],
        [
          "matroid",
          "matroid"
        ],
        [
          "pave",
          "pave"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A vector space upon which matroids may be paved"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "groundset"
}

{
  "forms": [
    {
      "form": "groundsets",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "groundset (plural groundsets)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with quotations",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Mathematics"
      ],
      "examples": [
        {
          "ref": "2015, Rudi Pendavingh, Jorn van der Pol, “Enumerating matroids of fixed rank”, in arXiv:",
          "text": "In this paper we consider the relation between the number of sparse paving matroids s(n,r) and the number of matroids m(n,r) on a fixed groundset of size n of fixed rank r.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A vector space upon which matroids may be paved"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "vector space",
          "vector space"
        ],
        [
          "matroid",
          "matroid"
        ],
        [
          "pave",
          "pave"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A vector space upon which matroids may be paved"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "groundset"
}