"pneumotachometer" meaning in English

{
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      "args": {
        "1": "en",
        "2": "pneumo",
        "3": "tachometer"
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      "expansion": "pneumo- + tachometer",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pneumo- + tachometer.",
  "forms": [
    {
      "form": "pneumotachometers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pneumotachometer (plural pneumotachometers)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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          "source": "w"
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          "source": "w"
        },
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      "examples": [
        {
          "ref": "2015 September 5, Erik H. Van Iterson et al., “Impaired cardiac and peripheral hemodynamic responses to inhaled β2-agonist in cystic fibrosis”, in Respiratory Research, volume 16, →DOI:",
          "text": "In a seated upright position, participants breathed into a non-rebreathing technician controlled pneumatic switching Y-valve that was connected to a pneumotachometer and mass spectrometer.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A spirometer that measures the flow rate of gases by detecting pressure differences across the fine mesh."
      ],
      "id": "en-pneumotachometer-en-noun-zA2eTM8T",
      "links": [
        [
          "spirometer",
          "spirometer"
        ],
        [
          "pressure",
          "pressure"
        ],
        [
          "difference",
          "difference"
        ],
        [
          "mesh",
          "mesh"
        ]
      ]
    }
  ],
  "word": "pneumotachometer"
}

{
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    {
      "args": {
        "1": "en",
        "2": "pneumo",
        "3": "tachometer"
      },
      "expansion": "pneumo- + tachometer",
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    }
  ],
  "etymology_text": "From pneumo- + tachometer.",
  "forms": [
    {
      "form": "pneumotachometers",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "pneumotachometer (plural pneumotachometers)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "English entries with incorrect language header",
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        {
          "ref": "2015 September 5, Erik H. Van Iterson et al., “Impaired cardiac and peripheral hemodynamic responses to inhaled β2-agonist in cystic fibrosis”, in Respiratory Research, volume 16, →DOI:",
          "text": "In a seated upright position, participants breathed into a non-rebreathing technician controlled pneumatic switching Y-valve that was connected to a pneumotachometer and mass spectrometer.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A spirometer that measures the flow rate of gases by detecting pressure differences across the fine mesh."
      ],
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          "spirometer",
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        ],
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          "pressure",
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        ],
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        ],
        [
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          "mesh"
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  ],
  "word": "pneumotachometer"
}