"群速" meaning in Chinese

{
  "forms": [
    {
      "form": "羣速",
      "raw_tags": [
        "Traditional-Chinese"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "noun"
      },
      "expansion": "群速",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "qúnsùdù, “group velocity”",
          "word": "群速度"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Chinese entries with incorrect language header",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "langcode": "zh",
          "name": "Physics",
          "orig": "zh:Physics",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "short for 群速度 (qúnsùdù, “group velocity”)"
      ],
      "id": "en-群速-zh-noun-r9LsYAkJ",
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "群速度",
          "群速度#Chinese"
        ],
        [
          "group velocity",
          "group velocity"
        ]
      ],
      "raw_glosses": [
        "(physics) short for 群速度 (qúnsùdù, “group velocity”)"
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Mandarin",
        "Pinyin"
      ],
      "zh-pron": "qúnsù"
    },
    {
      "tags": [
        "Mandarin",
        "bopomofo"
      ],
      "zh-pron": "ㄑㄩㄣˊ ㄙㄨˋ"
    },
    {
      "tags": [
        "Hanyu-Pinyin",
        "Mandarin",
        "standard"
      ],
      "zh-pron": "qúnsù"
    },
    {
      "tags": [
        "Mandarin",
        "bopomofo",
        "standard"
      ],
      "zh-pron": "ㄑㄩㄣˊ ㄙㄨˋ"
    },
    {
      "tags": [
        "Mandarin",
        "Tongyong-Pinyin",
        "standard"
      ],
      "zh-pron": "cyúnsù"
    },
    {
      "tags": [
        "Mandarin",
        "Wade-Giles",
        "standard"
      ],
      "zh-pron": "chʻün²-su⁴"
    },
    {
      "tags": [
        "Mandarin",
        "Yale",
        "standard"
      ],
      "zh-pron": "chyún-sù"
    },
    {
      "tags": [
        "Gwoyeu-Romatsyh",
        "Mandarin",
        "standard"
      ],
      "zh-pron": "chyunsuh"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius",
        "standard"
      ],
      "zh-pron": "цюньсу"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius",
        "standard"
      ],
      "zh-pron": "cjunʹsu"
    },
    {
      "ipa": "/t͡ɕʰyn³⁵ su⁵¹/",
      "tags": [
        "Mandarin",
        "Sinological-IPA",
        "standard"
      ]
    },
    {
      "ipa": "/t͡ɕʰyn³⁵ su⁵¹/"
    }
  ],
  "word": "群速"
}

{
  "forms": [
    {
      "form": "羣速",
      "raw_tags": [
        "Traditional-Chinese"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "zh",
        "2": "noun"
      },
      "expansion": "群速",
      "name": "head"
    }
  ],
  "lang": "Chinese",
  "lang_code": "zh",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "qúnsùdù, “group velocity”",
          "word": "群速度"
        }
      ],
      "categories": [
        "Chinese entries with incorrect language header",
        "Chinese lemmas",
        "Chinese nouns",
        "Chinese short forms",
        "Chinese terms spelled with 群",
        "Chinese terms spelled with 速",
        "Chinese terms with IPA pronunciation",
        "Mandarin lemmas",
        "Mandarin nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "zh:Physics"
      ],
      "glosses": [
        "short for 群速度 (qúnsùdù, “group velocity”)"
      ],
      "links": [
        [
          "physics",
          "physics"
        ],
        [
          "群速度",
          "群速度#Chinese"
        ],
        [
          "group velocity",
          "group velocity"
        ]
      ],
      "raw_glosses": [
        "(physics) short for 群速度 (qúnsùdù, “group velocity”)"
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
      ]
    }
  ],
  "sounds": [
    {
      "tags": [
        "Mandarin",
        "Pinyin"
      ],
      "zh-pron": "qúnsù"
    },
    {
      "tags": [
        "Mandarin",
        "bopomofo"
      ],
      "zh-pron": "ㄑㄩㄣˊ ㄙㄨˋ"
    },
    {
      "tags": [
        "Hanyu-Pinyin",
        "Mandarin",
        "standard"
      ],
      "zh-pron": "qúnsù"
    },
    {
      "tags": [
        "Mandarin",
        "bopomofo",
        "standard"
      ],
      "zh-pron": "ㄑㄩㄣˊ ㄙㄨˋ"
    },
    {
      "tags": [
        "Mandarin",
        "Tongyong-Pinyin",
        "standard"
      ],
      "zh-pron": "cyúnsù"
    },
    {
      "tags": [
        "Mandarin",
        "Wade-Giles",
        "standard"
      ],
      "zh-pron": "chʻün²-su⁴"
    },
    {
      "tags": [
        "Mandarin",
        "Yale",
        "standard"
      ],
      "zh-pron": "chyún-sù"
    },
    {
      "tags": [
        "Gwoyeu-Romatsyh",
        "Mandarin",
        "standard"
      ],
      "zh-pron": "chyunsuh"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius",
        "standard"
      ],
      "zh-pron": "цюньсу"
    },
    {
      "tags": [
        "Mandarin",
        "Palladius",
        "standard"
      ],
      "zh-pron": "cjunʹsu"
    },
    {
      "ipa": "/t͡ɕʰyn³⁵ su⁵¹/",
      "tags": [
        "Mandarin",
        "Sinological-IPA",
        "standard"
      ]
    },
    {
      "ipa": "/t͡ɕʰyn³⁵ su⁵¹/"
    }
  ],
  "word": "群速"
}