"1차원" meaning in Korean

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "Sino-Korean"
      },
      "expansion": "Sino-Korean",
      "name": "l"
    },
    {
      "args": {
        "1": "ko",
        "2": "一次元",
        "gloss": ""
      },
      "expansion": "一次元",
      "name": "m"
    },
    {
      "args": {
        "1": "一次元"
      },
      "expansion": "Sino-Korean word from 一次元",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 一次元.",
  "forms": [
    {
      "form": "ilchawon",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "일차원",
      "tags": [
        "hangeul"
      ]
    },
    {
      "form": "一次元",
      "tags": [
        "hanja"
      ]
    },
    {
      "form": "1次元",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hangeul": "일차원",
        "hanja": "一次元 / 1次元"
      },
      "expansion": "1차원 • (ilchawon) (hangeul 일차원, hanja 一次元 / 1次元)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Korean entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Korean terms with redundant script codes",
          "parents": [
            "Terms with redundant script codes",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Sino-Korean words",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ko",
          "name": "Geometry",
          "orig": "ko:Geometry",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "one dimension, one-dimensional"
      ],
      "id": "en-1차원-ko-noun-mXl5LDBE",
      "links": [
        [
          "one",
          "one"
        ],
        [
          "dimension",
          "dimension"
        ],
        [
          "one-dimensional",
          "one-dimensional"
        ]
      ],
      "related": [
        {
          "word": "0차원 (0chawon)"
        },
        {
          "word": "2차원 (2chawon)"
        },
        {
          "word": "3차원 (3chawon)"
        },
        {
          "word": "4차원 (4chawon)"
        }
      ],
      "synonyms": [
        {
          "roman": "ilchawon",
          "word": "일차원"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[iʎt͡ɕʰa̠wʌ̹n]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "other": "[일차원]"
    }
  ],
  "word": "1차원"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "Sino-Korean"
      },
      "expansion": "Sino-Korean",
      "name": "l"
    },
    {
      "args": {
        "1": "ko",
        "2": "一次元",
        "gloss": ""
      },
      "expansion": "一次元",
      "name": "m"
    },
    {
      "args": {
        "1": "一次元"
      },
      "expansion": "Sino-Korean word from 一次元",
      "name": "ko-etym-sino"
    }
  ],
  "etymology_text": "Sino-Korean word from 一次元.",
  "forms": [
    {
      "form": "ilchawon",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "일차원",
      "tags": [
        "hangeul"
      ]
    },
    {
      "form": "一次元",
      "tags": [
        "hanja"
      ]
    },
    {
      "form": "1次元",
      "tags": [
        "hanja"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "hangeul": "일차원",
        "hanja": "一次元 / 1次元"
      },
      "expansion": "1차원 • (ilchawon) (hangeul 일차원, hanja 一次元 / 1次元)",
      "name": "ko-noun"
    }
  ],
  "lang": "Korean",
  "lang_code": "ko",
  "pos": "noun",
  "related": [
    {
      "word": "0차원 (0chawon)"
    },
    {
      "word": "2차원 (2chawon)"
    },
    {
      "word": "3차원 (3chawon)"
    },
    {
      "word": "4차원 (4chawon)"
    }
  ],
  "senses": [
    {
      "categories": [
        "Korean entries with incorrect language header",
        "Korean lemmas",
        "Korean nouns",
        "Korean terms with IPA pronunciation",
        "Korean terms with non-redundant manual transliterations",
        "Korean terms with non-redundant non-automated sortkeys",
        "Korean terms with redundant script codes",
        "Sino-Korean words",
        "ko:Geometry"
      ],
      "glosses": [
        "one dimension, one-dimensional"
      ],
      "links": [
        [
          "one",
          "one"
        ],
        [
          "dimension",
          "dimension"
        ],
        [
          "one-dimensional",
          "one-dimensional"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[iʎt͡ɕʰa̠wʌ̹n]",
      "tags": [
        "SK-Standard",
        "Seoul"
      ]
    },
    {
      "other": "[일차원]"
    }
  ],
  "synonyms": [
    {
      "roman": "ilchawon",
      "word": "일차원"
    }
  ],
  "word": "1차원"
}