"plethysmography" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "derived": [
        {
          "word": "impedance plethysmography"
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      "glosses": [
        "The diagnostic use of a plethysmograph."
      ],
      "id": "en-plethysmography-en-noun-kdFbB5Lo",
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          "plethysmograph",
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        "(medicine) The diagnostic use of a plethysmograph."
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  "sounds": [
    {
      "rhymes": "-ɒɡɹəfi"
    }
  ],
  "word": "plethysmography"
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  "lang_code": "en",
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        "The diagnostic use of a plethysmograph."
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        "(medicine) The diagnostic use of a plethysmograph."
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  "word": "plethysmography"
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