"pneumotachograph" meaning in English

{
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    {
      "args": {
        "1": "en",
        "2": "pneumo",
        "3": "tachograph"
      },
      "expansion": "pneumo- + tachograph",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pneumo- + tachograph.",
  "forms": [
    {
      "form": "pneumotachographs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pneumotachograph (plural pneumotachographs)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with pneumo-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
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      ],
      "glosses": [
        "A form of spirometer that measures and displays the velocity of airflow"
      ],
      "id": "en-pneumotachograph-en-noun-ZJK0JNIp",
      "links": [
        [
          "spirometer",
          "spirometer"
        ],
        [
          "velocity",
          "velocity"
        ],
        [
          "airflow",
          "airflow"
        ]
      ],
      "related": [
        {
          "word": "pneumotachography"
        }
      ]
    }
  ],
  "word": "pneumotachograph"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pneumo",
        "3": "tachograph"
      },
      "expansion": "pneumo- + tachograph",
      "name": "prefix"
    }
  ],
  "etymology_text": "From pneumo- + tachograph.",
  "forms": [
    {
      "form": "pneumotachographs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pneumotachograph (plural pneumotachographs)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "pneumotachography"
    }
  ],
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        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with pneumo-",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "A form of spirometer that measures and displays the velocity of airflow"
      ],
      "links": [
        [
          "spirometer",
          "spirometer"
        ],
        [
          "velocity",
          "velocity"
        ],
        [
          "airflow",
          "airflow"
        ]
      ]
    }
  ],
  "word": "pneumotachograph"
}