"root mean square velocity" meaning in English

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  "lang_code": "en",
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      "glosses": [
        "The root mean square of the velocities of all the molecules in a volume of gas; directly proportional to its temperature in the case of an ideal gas."
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        [
          "root mean square",
          "root mean square"
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          "velocities",
          "velocities"
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        [
          "molecule",
          "molecule"
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        [
          "volume",
          "volume"
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        [
          "gas",
          "gas"
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        [
          "proportional",
          "proportional"
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        [
          "temperature",
          "temperature"
        ],
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          "ideal gas",
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        "(physics) The root mean square of the velocities of all the molecules in a volume of gas; directly proportional to its temperature in the case of an ideal gas."
      ],
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        "natural-sciences",
        "physical-sciences",
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      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "jūnfānggēn sùdù",
          "sense": "root mean square of the velocities of all molecules in a volume of gas",
          "word": "均方根速度"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "root mean square of the velocities of all molecules in a volume of gas",
          "word": "keskimääräinen nopeus"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "srednekvadratičeskaja skorostʹ",
          "sense": "root mean square of the velocities of all molecules in a volume of gas",
          "tags": [
            "feminine"
          ],
          "word": "среднеквадратическая скорость"
        }
      ],
      "wikipedia": [
        "root mean square velocity"
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  "word": "root mean square velocity"
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      "glosses": [
        "The root mean square of the velocities of all the molecules in a volume of gas; directly proportional to its temperature in the case of an ideal gas."
      ],
      "links": [
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          "physics",
          "physics"
        ],
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          "velocities",
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          "volume",
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          "gas",
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          "proportional",
          "proportional"
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          "temperature",
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          "ideal gas",
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      "raw_glosses": [
        "(physics) The root mean square of the velocities of all the molecules in a volume of gas; directly proportional to its temperature in the case of an ideal gas."
      ],
      "topics": [
        "natural-sciences",
        "physical-sciences",
        "physics"
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  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "jūnfānggēn sùdù",
      "sense": "root mean square of the velocities of all molecules in a volume of gas",
      "word": "均方根速度"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "root mean square of the velocities of all molecules in a volume of gas",
      "word": "keskimääräinen nopeus"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "srednekvadratičeskaja skorostʹ",
      "sense": "root mean square of the velocities of all molecules in a volume of gas",
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    }
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