"row-reduced" meaning in English

{
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      "expansion": "row-reduced (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linear algebra",
          "orig": "en:Linear algebra",
          "parents": [
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            "Mathematics",
            "Formal sciences",
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      ],
      "glosses": [
        "Said of a matrix which has undergone row reduction; i.e., of a matrix which has a 1 as the leading entry of each one of its non-zero rows and which has zeroes as all the other entries of any column containing such a leading entry (of any non-zero row)."
      ],
      "id": "en-row-reduced-en-adj-uvr081hw",
      "links": [
        [
          "linear algebra",
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      "raw_glosses": [
        "(linear algebra) Said of a matrix which has undergone row reduction; i.e., of a matrix which has a 1 as the leading entry of each one of its non-zero rows and which has zeroes as all the other entries of any column containing such a leading entry (of any non-zero row)."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "linear-algebra",
        "mathematics",
        "sciences"
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    }
  ],
  "word": "row-reduced"
}

{
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      "expansion": "row-reduced (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
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        "English entries with incorrect language header",
        "English lemmas",
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        "en:Linear algebra"
      ],
      "glosses": [
        "Said of a matrix which has undergone row reduction; i.e., of a matrix which has a 1 as the leading entry of each one of its non-zero rows and which has zeroes as all the other entries of any column containing such a leading entry (of any non-zero row)."
      ],
      "links": [
        [
          "linear algebra",
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      "raw_glosses": [
        "(linear algebra) Said of a matrix which has undergone row reduction; i.e., of a matrix which has a 1 as the leading entry of each one of its non-zero rows and which has zeroes as all the other entries of any column containing such a leading entry (of any non-zero row)."
      ],
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        "not-comparable"
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      "topics": [
        "linear-algebra",
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        "sciences"
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  "word": "row-reduced"
}