"cartésien" meaning in French

{
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    {
      "args": {
        "1": "fr",
        "2": "-ien"
      },
      "expansion": "-ien",
      "name": "af"
    }
  ],
  "etymology_text": "From the surname of René Descartes + -ien.",
  "forms": [
    {
      "form": "cartésienne",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "cartésiens",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "cartésiennes",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cartésien (feminine cartésienne, masculine plural cartésiens, feminine plural cartésiennes)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "French entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French terms suffixed with -ien",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "French terms with collocations",
          "parents": [
            "Terms with collocations",
            "Entry maintenance"
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          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "cartésianisme"
        }
      ],
      "examples": [
        {
          "text": "la méthode cartésienne",
          "type": "example"
        },
        {
          "text": "un esprit cartésien",
          "type": "example"
        },
        {
          "text": "des coordonnées cartésiennes",
          "type": "example"
        }
      ],
      "glosses": [
        "Cartesian"
      ],
      "id": "en-cartésien-fr-adj-zXNrddfe",
      "links": [
        [
          "Cartesian",
          "Cartesian"
        ]
      ],
      "wikipedia": [
        "René Descartes"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kaʁ.te.zjɛ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-LoquaxFR-cartésien.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0a/LL-Q150_%28fra%29-LoquaxFR-cart%C3%A9sien.wav/LL-Q150_%28fra%29-LoquaxFR-cart%C3%A9sien.wav.mp3",
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    }
  ],
  "word": "cartésien"
}

{
  "derived": [
    {
      "word": "cartésianisme"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "fr",
        "2": "-ien"
      },
      "expansion": "-ien",
      "name": "af"
    }
  ],
  "etymology_text": "From the surname of René Descartes + -ien.",
  "forms": [
    {
      "form": "cartésienne",
      "tags": [
        "feminine"
      ]
    },
    {
      "form": "cartésiens",
      "tags": [
        "masculine",
        "plural"
      ]
    },
    {
      "form": "cartésiennes",
      "tags": [
        "feminine",
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "cartésien (feminine cartésienne, masculine plural cartésiens, feminine plural cartésiennes)",
      "name": "fr-adj"
    }
  ],
  "lang": "French",
  "lang_code": "fr",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "French 3-syllable words",
        "French adjectives",
        "French entries with incorrect language header",
        "French eponyms",
        "French lemmas",
        "French terms suffixed with -ien",
        "French terms with IPA pronunciation",
        "French terms with audio links",
        "French terms with collocations",
        "Requests for translations of French usage examples"
      ],
      "examples": [
        {
          "text": "la méthode cartésienne",
          "type": "example"
        },
        {
          "text": "un esprit cartésien",
          "type": "example"
        },
        {
          "text": "des coordonnées cartésiennes",
          "type": "example"
        }
      ],
      "glosses": [
        "Cartesian"
      ],
      "links": [
        [
          "Cartesian",
          "Cartesian"
        ]
      ],
      "wikipedia": [
        "René Descartes"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/kaʁ.te.zjɛ̃/"
    },
    {
      "audio": "LL-Q150 (fra)-LoquaxFR-cartésien.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/0a/LL-Q150_%28fra%29-LoquaxFR-cart%C3%A9sien.wav/LL-Q150_%28fra%29-LoquaxFR-cart%C3%A9sien.wav.mp3",
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    }
  ],
  "word": "cartésien"
}