"Cartesian space" meaning in English

{
  "forms": [
    {
      "form": "Cartesian spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
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      "expansion": "Cartesian space (countable and uncountable, plural Cartesian spaces)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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          "name": "Manifolds",
          "orig": "en:Manifolds",
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          "name": "Mathematics",
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            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
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      ],
      "glosses": [
        "Euclidean space described by Cartesian coordinates."
      ],
      "id": "en-Cartesian_space-en-noun-tV1JEIg9",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "Euclidean space",
          "Euclidean space"
        ],
        [
          "Cartesian coordinate",
          "Cartesian coordinate"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Euclidean space described by Cartesian coordinates."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "Euclidian space described by Cartesian coordinates",
          "tags": [
            "masculine"
          ],
          "word": "espace cartésien"
        },
        {
          "code": "ro",
          "lang": "Romanian",
          "sense": "Euclidian space described by Cartesian coordinates",
          "tags": [
            "neuter"
          ],
          "word": "spațiu cartezian"
        }
      ]
    }
  ],
  "word": "Cartesian space"
}

{
  "forms": [
    {
      "form": "Cartesian spaces",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "Cartesian space (countable and uncountable, plural Cartesian spaces)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Manifolds",
        "en:Mathematics"
      ],
      "glosses": [
        "Euclidean space described by Cartesian coordinates."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "Euclidean space",
          "Euclidean space"
        ],
        [
          "Cartesian coordinate",
          "Cartesian coordinate"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Euclidean space described by Cartesian coordinates."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "Euclidian space described by Cartesian coordinates",
      "tags": [
        "masculine"
      ],
      "word": "espace cartésien"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "Euclidian space described by Cartesian coordinates",
      "tags": [
        "neuter"
      ],
      "word": "spațiu cartezian"
    }
  ],
  "word": "Cartesian space"
}