"X軸" meaning in Japanese

{
  "forms": [
    {
      "form": "X軸",
      "ruby": [
        [
          "X",
          "エックス"
        ],
        [
          "軸",
          "じく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ekkusu-jiku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "etukusu-diku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "エツクスぢく",
      "roman": "etukusu-diku",
      "tags": [
        "historical",
        "katakana"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "エックス-じく",
        "hhira": "エツクス-ぢく"
      },
      "expansion": "X(エックス)軸(じく) • (ekkusu-jiku) ^(←エツクスぢく (etukusu-diku)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [
            "Links with redundant alt parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with 1 kanji",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with multiple readings",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms written in multiple scripts",
          "parents": [
            "Terms written in multiple scripts",
            "Terms by orthographic property",
            "Terms by lexical property"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "roman": "wai-jiku",
          "ruby": [
            [
              "Y",
              "ワイ"
            ],
            [
              "軸",
              "じく"
            ]
          ],
          "word": "Y軸"
        },
        {
          "roman": "zetto-jiku",
          "ruby": [
            [
              "Z",
              "ゼット"
            ],
            [
              "軸",
              "じく"
            ]
          ],
          "word": "Z軸"
        }
      ],
      "glosses": [
        "x-axis (axis drawn from left to right)"
      ],
      "id": "en-X軸-ja-noun-503qywB0",
      "links": [
        [
          "x-axis",
          "x-axis"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "エックスじく"
    },
    {
      "ipa": "[e̞k̚kɯ̟sɨʑikɯ̟]"
    }
  ],
  "word": "X軸"
}

{
  "coordinate_terms": [
    {
      "roman": "wai-jiku",
      "ruby": [
        [
          "Y",
          "ワイ"
        ],
        [
          "軸",
          "じく"
        ]
      ],
      "word": "Y軸"
    },
    {
      "roman": "zetto-jiku",
      "ruby": [
        [
          "Z",
          "ゼット"
        ],
        [
          "軸",
          "じく"
        ]
      ],
      "word": "Z軸"
    }
  ],
  "forms": [
    {
      "form": "X軸",
      "ruby": [
        [
          "X",
          "エックス"
        ],
        [
          "軸",
          "じく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ekkusu-jiku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "etukusu-diku",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "エツクスぢく",
      "roman": "etukusu-diku",
      "tags": [
        "historical",
        "katakana"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "エックス-じく",
        "hhira": "エツクス-ぢく"
      },
      "expansion": "X(エックス)軸(じく) • (ekkusu-jiku) ^(←エツクスぢく (etukusu-diku)?)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant alt parameters",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms historically spelled with ぢ",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms with 1 kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with multiple readings",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms written in multiple scripts",
        "Pages with 3 entries",
        "Pages with entries"
      ],
      "glosses": [
        "x-axis (axis drawn from left to right)"
      ],
      "links": [
        [
          "x-axis",
          "x-axis"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "other": "エックスじく"
    },
    {
      "ipa": "[e̞k̚kɯ̟sɨʑikɯ̟]"
    }
  ],
  "word": "X軸"
}

{
  "called_from": "parser/304",
  "msg": "HTML tag <span> not properly closed",
  "path": [
    "X軸"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "X軸",
  "trace": "started on line 2, detected on line 2"
}

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "X軸"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "X軸",
  "trace": ""
}