"rounding error" meaning in English

{
  "forms": [
    {
      "form": "rounding errors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "rounding error (countable and uncountable, plural rounding errors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "The rocket's malfunction was down to a rounding error in the mathematics of its trajectory guidance.",
          "type": "example"
        },
        {
          "ref": "2017 February 1, Stephen Buranyi, “The high-tech war on science fraud”, in The Guardian",
          "text": "In an email, a computer program named Statcheck informed him that a 2013 paper he had published on multiculturalism and prejudice appeared to contain a number of incorrect calculations – which the program had catalogued and then posted on the internet for anyone to see. The problems turned out to be minor – just a few rounding errors – but the experience left Kauff feeling rattled.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The difference between the result of a calculation using exact arithmetic and finite-precision, rounded arithmetic."
      ],
      "id": "en-rounding_error-en-noun-gMZgb3AT",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "arithmetic",
          "arithmetic"
        ],
        [
          "rounded",
          "rounded"
        ]
      ],
      "raw_glosses": [
        "(mathematics) The difference between the result of a calculation using exact arithmetic and finite-precision, rounded arithmetic."
      ],
      "related": [
        {
          "_dis1": "85 15",
          "word": "round down"
        },
        {
          "_dis1": "85 15",
          "word": "round number"
        },
        {
          "_dis1": "85 15",
          "word": "round off"
        },
        {
          "_dis1": "85 15",
          "word": "round out"
        },
        {
          "_dis1": "85 15",
          "word": "round up"
        }
      ],
      "synonyms": [
        {
          "word": "roundoff error"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "_dis": "40 60",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "Coordinate term: pocket change"
        },
        {
          "text": "In the budget of the rocket forces, the 200 thousand dollars for the investigation was a mere rounding error.",
          "type": "example"
        },
        {
          "ref": "2009 September 30, Bobbie Johnson, quoting Steve Ballmer, “Does Google's Chrome Frame make your PC less secure?”, in The Guardian",
          "text": "Microsoft's chief executive, Steve Ballmer, recently called Chrome's market share “a rounding error, to date” in an interview with TechCrunch.",
          "type": "quotation"
        },
        {
          "ref": "2017 June 27, Phillip Inman, quoting Carl Emmerson, “Extra £1bn for Northern Ireland will barely dent public finances”, in The Guardian",
          "text": "As Carl Emmerson, deputy head of the Institute for Fiscal Studies, said: “The size of the UK’s public finances means you can give away £1bn a year and it’s not much more than a rounding error.”",
          "type": "quotation"
        },
        {
          "ref": "2018 June 24, “There’s no panic yet: but Trump’s trade war could get out of hand”, in The Guardian",
          "text": "The sum of money involved is small and, compared to the trillions of dollars traded each year, almost a rounding error.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A negligible fraction of something."
      ],
      "id": "en-rounding_error-en-noun-tugnVYNx",
      "links": [
        [
          "fraction",
          "fraction"
        ]
      ],
      "raw_glosses": [
        "(by extension) A negligible fraction of something."
      ],
      "tags": [
        "broadly",
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "rounding error"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English nouns",
    "English uncountable nouns"
  ],
  "forms": [
    {
      "form": "rounding errors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "rounding error (countable and uncountable, plural rounding errors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "round down"
    },
    {
      "word": "round number"
    },
    {
      "word": "round off"
    },
    {
      "word": "round out"
    },
    {
      "word": "round up"
    }
  ],
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "English terms with usage examples",
        "en:Mathematics"
      ],
      "examples": [
        {
          "text": "The rocket's malfunction was down to a rounding error in the mathematics of its trajectory guidance.",
          "type": "example"
        },
        {
          "ref": "2017 February 1, Stephen Buranyi, “The high-tech war on science fraud”, in The Guardian",
          "text": "In an email, a computer program named Statcheck informed him that a 2013 paper he had published on multiculturalism and prejudice appeared to contain a number of incorrect calculations – which the program had catalogued and then posted on the internet for anyone to see. The problems turned out to be minor – just a few rounding errors – but the experience left Kauff feeling rattled.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The difference between the result of a calculation using exact arithmetic and finite-precision, rounded arithmetic."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "arithmetic",
          "arithmetic"
        ],
        [
          "rounded",
          "rounded"
        ]
      ],
      "raw_glosses": [
        "(mathematics) The difference between the result of a calculation using exact arithmetic and finite-precision, rounded arithmetic."
      ],
      "synonyms": [
        {
          "word": "roundoff error"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "Coordinate term: pocket change"
        },
        {
          "text": "In the budget of the rocket forces, the 200 thousand dollars for the investigation was a mere rounding error.",
          "type": "example"
        },
        {
          "ref": "2009 September 30, Bobbie Johnson, quoting Steve Ballmer, “Does Google's Chrome Frame make your PC less secure?”, in The Guardian",
          "text": "Microsoft's chief executive, Steve Ballmer, recently called Chrome's market share “a rounding error, to date” in an interview with TechCrunch.",
          "type": "quotation"
        },
        {
          "ref": "2017 June 27, Phillip Inman, quoting Carl Emmerson, “Extra £1bn for Northern Ireland will barely dent public finances”, in The Guardian",
          "text": "As Carl Emmerson, deputy head of the Institute for Fiscal Studies, said: “The size of the UK’s public finances means you can give away £1bn a year and it’s not much more than a rounding error.”",
          "type": "quotation"
        },
        {
          "ref": "2018 June 24, “There’s no panic yet: but Trump’s trade war could get out of hand”, in The Guardian",
          "text": "The sum of money involved is small and, compared to the trillions of dollars traded each year, almost a rounding error.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A negligible fraction of something."
      ],
      "links": [
        [
          "fraction",
          "fraction"
        ]
      ],
      "raw_glosses": [
        "(by extension) A negligible fraction of something."
      ],
      "tags": [
        "broadly",
        "countable",
        "uncountable"
      ]
    }
  ],
  "word": "rounding error"
}