"photoplethysmogram" meaning in English

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        "2": "photo",
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      "expansion": "photo- + plethysmogram",
      "name": "prefix"
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  ],
  "etymology_text": "From photo- + plethysmogram.",
  "forms": [
    {
      "form": "photoplethysmograms",
      "tags": [
        "plural"
      ]
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      "expansion": "photoplethysmogram (plural photoplethysmograms)",
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  "lang_code": "en",
  "pos": "noun",
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      "examples": [
        {
          "ref": "2016, Yong-U Ri, Young-Hui Pyon, Kye-Ryong Sin, “Determination of Oxygen Saturation and Photoplethysmogram from Near Infrared Scattering Images”, in arXiv:",
          "text": "This method based on the NIR scattering images can be applied in measurement of an average oxygen saturation and photoplethysmogram even in local region of optically heterogeneous muscle and skin.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A recording made by a photoplethysmograph"
      ],
      "id": "en-photoplethysmogram-en-noun-zSK8DYIb",
      "links": [
        [
          "recording",
          "recording"
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        [
          "photoplethysmograph",
          "photoplethysmograph"
        ]
      ]
    }
  ],
  "word": "photoplethysmogram"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "photo",
        "3": "plethysmogram"
      },
      "expansion": "photo- + plethysmogram",
      "name": "prefix"
    }
  ],
  "etymology_text": "From photo- + plethysmogram.",
  "forms": [
    {
      "form": "photoplethysmograms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "expansion": "photoplethysmogram (plural photoplethysmograms)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "ref": "2016, Yong-U Ri, Young-Hui Pyon, Kye-Ryong Sin, “Determination of Oxygen Saturation and Photoplethysmogram from Near Infrared Scattering Images”, in arXiv:",
          "text": "This method based on the NIR scattering images can be applied in measurement of an average oxygen saturation and photoplethysmogram even in local region of optically heterogeneous muscle and skin.",
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      ],
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        "A recording made by a photoplethysmograph"
      ],
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          "photoplethysmograph",
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  "word": "photoplethysmogram"
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