"幾何数列" meaning in Japanese

{
  "forms": [
    {
      "form": "幾何数列",
      "ruby": [
        [
          "幾",
          "き"
        ],
        [
          "何",
          "か"
        ],
        [
          "数",
          "すう"
        ],
        [
          "列",
          "れつ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kikasūretsu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "きかすうれつ"
      },
      "expansion": "幾(き)何(か)数(すう)列(れつ) • (kikasūretsu)",
      "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 wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "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 with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Mathematics",
          "orig": "ja:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "geometric sequence"
      ],
      "id": "en-幾何数列-ja-noun-JCvtvt~s",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "geometric",
          "geometric"
        ],
        [
          "sequence",
          "sequence"
        ]
      ],
      "raw_glosses": [
        "(mathematics) geometric sequence"
      ],
      "synonyms": [
        {
          "roman": "tōhisūretsu",
          "ruby": [
            [
              "等",
              "とう"
            ],
            [
              "比",
              "ひ"
            ],
            [
              "数",
              "すう"
            ],
            [
              "列",
              "れつ"
            ]
          ],
          "word": "等比数列"
        }
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "other": "きかすうれつ"
    },
    {
      "ipa": "[kʲika̠sɨᵝːɾe̞t͡sɨᵝ]"
    }
  ],
  "word": "幾何数列"
}

{
  "forms": [
    {
      "form": "幾何数列",
      "ruby": [
        [
          "幾",
          "き"
        ],
        [
          "何",
          "か"
        ],
        [
          "数",
          "すう"
        ],
        [
          "列",
          "れつ"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kikasūretsu",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "きかすうれつ"
      },
      "expansion": "幾(き)何(か)数(すう)列(れつ) • (kikasūretsu)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms spelled with third grade kanji",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with non-redundant non-automated sortkeys",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with four Han script characters",
        "ja:Mathematics"
      ],
      "glosses": [
        "geometric sequence"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "geometric",
          "geometric"
        ],
        [
          "sequence",
          "sequence"
        ]
      ],
      "raw_glosses": [
        "(mathematics) geometric sequence"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "other": "きかすうれつ"
    },
    {
      "ipa": "[kʲika̠sɨᵝːɾe̞t͡sɨᵝ]"
    }
  ],
  "synonyms": [
    {
      "roman": "tōhisūretsu",
      "ruby": [
        [
          "等",
          "とう"
        ],
        [
          "比",
          "ひ"
        ],
        [
          "数",
          "すう"
        ],
        [
          "列",
          "れつ"
        ]
      ],
      "word": "等比数列"
    }
  ],
  "word": "幾何数列"
}

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