"光速" meaning in Japanese

{
  "forms": [
    {
      "form": "光速",
      "ruby": [
        [
          "光",
          "こう"
        ],
        [
          "速",
          "そく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kōsoku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "こうそく"
      },
      "expansion": "光(こう)速(そく) • (kōsoku)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "12 37 37 14",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 37 37 14",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "80 20",
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "74 26",
          "kind": "other",
          "name": "Japanese links with redundant alt parameters",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "69 31",
          "kind": "other",
          "name": "Japanese terms read with on'yomi",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "69 31",
          "kind": "other",
          "name": "Japanese terms with 2 kanji",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "60 40",
          "kind": "other",
          "name": "Japanese terms with Heiban pitch accent (Tōkyō)",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "the speed of light"
      ],
      "id": "en-光速-ja-noun-FyeCPThQ",
      "links": [
        [
          "speed of light",
          "speed of light"
        ]
      ]
    },
    {
      "categories": [
        {
          "_dis": "12 37 37 14",
          "kind": "other",
          "name": "Pages with 2 entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 37 37 14",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "43 57",
          "kind": "other",
          "name": "Japanese terms with non-redundant non-automated sortkeys",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "53 47",
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A very rapid speed"
      ],
      "id": "en-光速-ja-noun-3EwLNHJY",
      "raw_glosses": [
        "(figurative) A very rapid speed"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "other": "こーそく"
    },
    {
      "ipa": "[ko̞ːso̞kɯ̟]"
    },
    {
      "homophone": "高速"
    }
  ],
  "word": "光速"
}

{
  "categories": [
    "Japanese entries with incorrect language header",
    "Japanese lemmas",
    "Japanese links with redundant alt parameters",
    "Japanese links with redundant wikilinks",
    "Japanese nouns",
    "Japanese terms read with on'yomi",
    "Japanese terms spelled with second grade kanji",
    "Japanese terms spelled with third grade kanji",
    "Japanese terms spelled with 光 read as こう",
    "Japanese terms spelled with 速 read as そく",
    "Japanese terms with 2 kanji",
    "Japanese terms with Heiban pitch accent (Tōkyō)",
    "Japanese terms with IPA pronunciation",
    "Japanese terms with IPA pronunciation with pitch accent",
    "Japanese terms with homophones",
    "Japanese terms with non-redundant non-automated sortkeys",
    "Japanese terms with redundant sortkeys",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "forms": [
    {
      "form": "光速",
      "ruby": [
        [
          "光",
          "こう"
        ],
        [
          "速",
          "そく"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kōsoku",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "こうそく"
      },
      "expansion": "光(こう)速(そく) • (kōsoku)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "the speed of light"
      ],
      "links": [
        [
          "speed of light",
          "speed of light"
        ]
      ]
    },
    {
      "glosses": [
        "A very rapid speed"
      ],
      "raw_glosses": [
        "(figurative) A very rapid speed"
      ],
      "tags": [
        "figuratively"
      ]
    }
  ],
  "sounds": [
    {
      "other": "こーそく"
    },
    {
      "ipa": "[ko̞ːso̞kɯ̟]"
    },
    {
      "homophone": "高速"
    }
  ],
  "word": "光速"
}