"plus-minus sign" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "the symbol ±, meaning \"plus or minus\", used to indicate the precision of an approximation (as in \"The result is 10 ± 0.3\", meaning the result is anywhere in the inclusive range from 9.7 to 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and identical magnitude (as in \"The roots of the equation x²-4=0 are ±2\")."
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          "mathematics",
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        [
          "±",
          "±"
        ],
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          "approximation",
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        [
          "magnitude",
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      "raw_glosses": [
        "(mathematics) the symbol ±, meaning \"plus or minus\", used to indicate the precision of an approximation (as in \"The result is 10 ± 0.3\", meaning the result is anywhere in the inclusive range from 9.7 to 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and identical magnitude (as in \"The roots of the equation x²-4=0 are ±2\")."
      ],
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        {
          "word": "minus-plus sign"
        }
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "plus-minus sign"
      ]
    }
  ],
  "word": "plus-minus sign"
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    {
      "form": "plus-minus signs",
      "tags": [
        "plural"
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  "pos": "noun",
  "related": [
    {
      "word": "minus-plus sign"
    }
  ],
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        "the symbol ±, meaning \"plus or minus\", used to indicate the precision of an approximation (as in \"The result is 10 ± 0.3\", meaning the result is anywhere in the inclusive range from 9.7 to 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and identical magnitude (as in \"The roots of the equation x²-4=0 are ±2\")."
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        "(mathematics) the symbol ±, meaning \"plus or minus\", used to indicate the precision of an approximation (as in \"The result is 10 ± 0.3\", meaning the result is anywhere in the inclusive range from 9.7 to 10.3), or as a convenient shorthand for a quantity with two possible values of opposing sign and identical magnitude (as in \"The roots of the equation x²-4=0 are ±2\")."
      ],
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        "mathematics",
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    }
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