"nullable" meaning in English

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  "etymology_text": "From null + -able.",
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      "expansion": "nullable (not comparable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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        {
          "ref": "1841, F. Barham, The political works of Marcus Tullius Cicero:",
          "text": "Then you regard as nullable and voidable the laws of Titius and Apuleius, because they are unjust.",
          "type": "quote"
        }
      ],
      "glosses": [
        "That may be nullified; nullifiable."
      ],
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      "links": [
        [
          "nullified",
          "nullified"
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        [
          "nullifiable",
          "nullifiable"
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      ],
      "tags": [
        "not-comparable"
      ]
    },
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          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
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            "Fundamental"
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      "examples": [
        {
          "ref": "2006, Anthony Molinaro, SQL Cookbook:",
          "text": "You want to perform an aggregation on a column, but the column is nullable.",
          "type": "quote"
        }
      ],
      "glosses": [
        "That is allowed to have a null value."
      ],
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          "null",
          "null"
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          "value",
          "value"
        ]
      ],
      "raw_glosses": [
        "(computing, of a variable or object) That is allowed to have a null value."
      ],
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        "of a variable or object"
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
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  "word": "nullable"
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  "etymology_text": "From null + -able.",
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  "pos": "noun",
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        "A variable, etc. that is allowed to have a null value."
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          "null",
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      "raw_glosses": [
        "(computing) A variable, etc. that is allowed to have a null value."
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  "word": "nullable"
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  "etymology_text": "From null + -able.",
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  "lang_code": "en",
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          "text": "Then you regard as nullable and voidable the laws of Titius and Apuleius, because they are unjust.",
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      ],
      "glosses": [
        "That may be nullified; nullifiable."
      ],
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        [
          "nullified",
          "nullified"
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          "nullifiable",
          "nullifiable"
        ]
      ],
      "tags": [
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          "text": "You want to perform an aggregation on a column, but the column is nullable.",
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      "glosses": [
        "That is allowed to have a null value."
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          "null",
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        "(computing, of a variable or object) That is allowed to have a null value."
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  "word": "nullable"
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  ],
  "etymology_text": "From null + -able.",
  "forms": [
    {
      "form": "nullables",
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  "lang": "English",
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  "pos": "noun",
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      "glosses": [
        "A variable, etc. that is allowed to have a null value."
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        "(computing) A variable, etc. that is allowed to have a null value."
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