"cartesian distance" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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        {
          "word": "Cartesian distance"
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          "name": "American English",
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      "glosses": [
        "Alternative letter-case form of Cartesian distance"
      ],
      "id": "en-cartesian_distance-en-noun-0N8ikfKY",
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        "(US) Alternative letter-case form of Cartesian distance"
      ],
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  "word": "cartesian distance"
}

{
  "forms": [
    {
      "form": "cartesian distances",
      "tags": [
        "plural"
      ]
    }
  ],
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  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "Cartesian distance"
        }
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        "American English",
        "English countable nouns",
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        "English lemmas",
        "English multiword terms",
        "English nouns"
      ],
      "glosses": [
        "Alternative letter-case form of Cartesian distance"
      ],
      "links": [
        [
          "Cartesian distance",
          "Cartesian distance#English"
        ]
      ],
      "raw_glosses": [
        "(US) Alternative letter-case form of Cartesian distance"
      ],
      "tags": [
        "US",
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  "word": "cartesian distance"
}