"conull" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "co",
        "3": "null"
      },
      "expansion": "co- + null",
      "name": "prefix"
    }
  ],
  "etymology_text": "co- + null",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "conull (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with co-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2016, Anton Bernshteyn, “Measurable versions of the Lovász Local Lemma and measurable graph colorings”, in arXiv",
          "text": "Moreover, if the combinatorial structure on X is \"induced\" by the #x5B;0#x3B;1#x5D;-shift action of a countable group #x5C;Gamma, then, even without any local finiteness assumptions, there is a Borel choice for f which satisfies the constraints on an invariant conull set (i.e., with #x5C;epsilon#x3D;0).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having a null complement"
      ],
      "id": "en-conull-en-adj-v7O36TkE",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "null",
          "null"
        ],
        [
          "complement",
          "complement"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Having a null complement"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "en:Conull set"
      ]
    }
  ],
  "word": "conull"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "co",
        "3": "null"
      },
      "expansion": "co- + null",
      "name": "prefix"
    }
  ],
  "etymology_text": "co- + null",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "conull (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with co-",
        "English terms with quotations",
        "English uncomparable adjectives",
        "en:Mathematics"
      ],
      "examples": [
        {
          "ref": "2016, Anton Bernshteyn, “Measurable versions of the Lovász Local Lemma and measurable graph colorings”, in arXiv",
          "text": "Moreover, if the combinatorial structure on X is \"induced\" by the #x5B;0#x3B;1#x5D;-shift action of a countable group #x5C;Gamma, then, even without any local finiteness assumptions, there is a Borel choice for f which satisfies the constraints on an invariant conull set (i.e., with #x5C;epsilon#x3D;0).",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Having a null complement"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "null",
          "null"
        ],
        [
          "complement",
          "complement"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Having a null complement"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "en:Conull set"
      ]
    }
  ],
  "word": "conull"
}