"distribution function" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "name": "Physics",
          "orig": "en:Physics",
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      "glosses": [
        "A function of seven variables of the form f(x,y,z,t;v_x,v_y,v_z) that gives the number of particles per unit volume in single-particle phase space."
      ],
      "hypernyms": [
        {
          "word": "function"
        }
      ],
      "hyponyms": [
        {
          "word": "Fermi-Dirac distribution function"
        },
        {
          "word": "particle distribution function"
        },
        {
          "word": "radial distribution function"
        }
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          "mathematics",
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          "physics",
          "physics"
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          "phase space",
          "phase space"
        ]
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      "raw_glosses": [
        "(mathematics, physics) A function of seven variables of the form f(x,y,z,t;v_x,v_y,v_z) that gives the number of particles per unit volume in single-particle phase space."
      ],
      "topics": [
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "physics",
        "sciences"
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    }
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  "word": "distribution function"
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  "hyponyms": [
    {
      "word": "Fermi-Dirac distribution function"
    },
    {
      "word": "particle distribution function"
    },
    {
      "word": "radial distribution function"
    }
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  "lang_code": "en",
  "pos": "noun",
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        "A function of seven variables of the form f(x,y,z,t;v_x,v_y,v_z) that gives the number of particles per unit volume in single-particle phase space."
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        "(mathematics, physics) A function of seven variables of the form f(x,y,z,t;v_x,v_y,v_z) that gives the number of particles per unit volume in single-particle phase space."
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  "word": "distribution function"
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