"幾何中項" meaning in Japanese

{
  "forms": [
    {
      "form": "幾何中項",
      "ruby": [
        [
          "幾",
          "き"
        ],
        [
          "何",
          "か"
        ],
        [
          "中",
          "ちゅう"
        ],
        [
          "項",
          "こう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kikachūkō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "きかちゅうこう"
      },
      "expansion": "幾(き)何(か)中(ちゅう)項(こう) • (kikachūkō)",
      "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 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 mean, specifically, if the variables a, b, c satisfy the relation a:b=b:c, then b is the 幾何中項 of a and c."
      ],
      "id": "en-幾何中項-ja-noun-N6Fmx3cp",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "geometric",
          "geometric"
        ],
        [
          "mean",
          "mean"
        ]
      ],
      "raw_glosses": [
        "(mathematics) geometric mean, specifically, if the variables a, b, c satisfy the relation a:b=b:c, then b is the 幾何中項 of a and c."
      ],
      "related": [
        {
          "roman": "kikaheikin",
          "ruby": [
            [
              "幾何平均",
              "きかへいきん"
            ]
          ],
          "word": "幾何平均"
        }
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "幾何中項"
}

{
  "forms": [
    {
      "form": "幾何中項",
      "ruby": [
        [
          "幾",
          "き"
        ],
        [
          "何",
          "か"
        ],
        [
          "中",
          "ちゅう"
        ],
        [
          "項",
          "こう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kikachūkō",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "きかちゅうこう"
      },
      "expansion": "幾(き)何(か)中(ちゅう)項(こう) • (kikachūkō)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "kikaheikin",
      "ruby": [
        [
          "幾何平均",
          "きかへいきん"
        ]
      ],
      "word": "幾何平均"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms spelled with first grade kanji",
        "Japanese terms spelled with second grade kanji",
        "Japanese terms spelled with secondary school kanji",
        "Japanese terms with redundant sortkeys",
        "Japanese terms written with four Han script characters",
        "ja:Mathematics"
      ],
      "glosses": [
        "geometric mean, specifically, if the variables a, b, c satisfy the relation a:b=b:c, then b is the 幾何中項 of a and c."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "geometric",
          "geometric"
        ],
        [
          "mean",
          "mean"
        ]
      ],
      "raw_glosses": [
        "(mathematics) geometric mean, specifically, if the variables a, b, c satisfy the relation a:b=b:c, then b is the 幾何中項 of a and c."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "幾何中項"
}

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