"estimability" meaning in English

{
  "forms": [
    {
      "form": "estimabilities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "+"
      },
      "expansion": "estimability (usually uncountable, plural estimabilities)",
      "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"
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          "source": "w"
        },
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
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        {
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      "examples": [
        {
          "ref": "1987, Baram, Y. and T. Kailath, Estimability and Regulability of Linear Systems, NASA Technical Memorandum 89427",
          "text": "Necessary and sufficient conditions for estimability and regulability are derived for time variant and time invariant systems, in discrete and continuous time."
        }
      ],
      "glosses": [
        "Capability of being estimated."
      ],
      "id": "en-estimability-en-noun-gXrjDEeF",
      "links": [
        [
          "estimate",
          "estimate"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "estimability"
}

{
  "forms": [
    {
      "form": "estimabilities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "2": "+"
      },
      "expansion": "estimability (usually uncountable, plural estimabilities)",
      "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 uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "examples": [
        {
          "ref": "1987, Baram, Y. and T. Kailath, Estimability and Regulability of Linear Systems, NASA Technical Memorandum 89427",
          "text": "Necessary and sufficient conditions for estimability and regulability are derived for time variant and time invariant systems, in discrete and continuous time."
        }
      ],
      "glosses": [
        "Capability of being estimated."
      ],
      "links": [
        [
          "estimate",
          "estimate"
        ]
      ],
      "tags": [
        "uncountable",
        "usually"
      ]
    }
  ],
  "word": "estimability"
}