"preconditioner" meaning in English

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        "2": "pre-",
        "3": "conditioner"
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      "expansion": "pre- + conditioner",
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  "etymology_text": "From pre- + conditioner.",
  "forms": [
    {
      "form": "preconditioners",
      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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        {
          "ref": "2016, Tania Bakhos, Peter Kitanidis, Scott Ladenheim, Arvind K. Saibaba, Daniel Szyld, “Multipreconditioned GMRES for Shifted Systems”, in arXiv:",
          "text": "Furthermore, the multipreconditioned search space is shown to grow only linearly with the number of preconditioners.",
          "type": "quote"
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      ],
      "glosses": [
        "A matrix that has a smaller condition number than another."
      ],
      "id": "en-preconditioner-en-noun-sarVzNq1",
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        [
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        [
          "condition number",
          "condition number"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A matrix that has a smaller condition number than another."
      ],
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        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "preconditioner"
      ]
    }
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  "word": "preconditioner"
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        "2": "pre-",
        "3": "conditioner"
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      "expansion": "pre- + conditioner",
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  ],
  "etymology_text": "From pre- + conditioner.",
  "forms": [
    {
      "form": "preconditioners",
      "tags": [
        "plural"
      ]
    }
  ],
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          "ref": "2016, Tania Bakhos, Peter Kitanidis, Scott Ladenheim, Arvind K. Saibaba, Daniel Szyld, “Multipreconditioned GMRES for Shifted Systems”, in arXiv:",
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      "glosses": [
        "A matrix that has a smaller condition number than another."
      ],
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      "raw_glosses": [
        "(mathematics) A matrix that has a smaller condition number than another."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "preconditioner"
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    }
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  "word": "preconditioner"
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