"rpd" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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          "word": "relative pointwise distance"
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        "Initialism of relative pointwise distance."
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        "(mathematics) Initialism of relative pointwise distance."
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  "sounds": [
    {
      "rhymes": "-iː"
    }
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  "word": "rpd"
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  "lang_code": "en",
  "pos": "noun",
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          "word": "relative pointwise distance"
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        "Initialism of relative pointwise distance."
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        "(mathematics) Initialism of relative pointwise distance."
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  "word": "rpd"
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