"echocardiology" meaning in English

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        "2": "echo",
        "3": "cardiology"
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      "expansion": "echo + cardiology",
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  ],
  "etymology_text": "echo + cardiology",
  "head_templates": [
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      "expansion": "echocardiology (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      "derived": [
        {
          "word": "echocardiologist"
        },
        {
          "word": "echocardiologic"
        },
        {
          "word": "echocardiological"
        },
        {
          "word": "echocardiologically"
        }
      ],
      "examples": [
        {
          "ref": "2007 December 9, Anne Eisenberg, “What Did the Professor Say? Check Your iPod”, in New York Times",
          "text": "Laura Martho, a student at El Centro College in Dallas, finds the replay service invaluable. Mrs. Martho, who has four children, commutes 45 minutes each way four days a week to a hospital for clinical work in echocardiology.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of echocardiography"
      ],
      "id": "en-echocardiology-en-noun-7LVbJaW0",
      "links": [
        [
          "echocardiography",
          "echocardiography#English"
        ]
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          "tags": [
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          "word": "echocardiography"
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      "tags": [
        "uncountable"
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  "word": "echocardiology"
}

{
  "derived": [
    {
      "word": "echocardiologist"
    },
    {
      "word": "echocardiologic"
    },
    {
      "word": "echocardiological"
    },
    {
      "word": "echocardiologically"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "echo",
        "3": "cardiology"
      },
      "expansion": "echo + cardiology",
      "name": "compound"
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  ],
  "etymology_text": "echo + cardiology",
  "head_templates": [
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      "args": {
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      "expansion": "echocardiology (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        {
          "ref": "2007 December 9, Anne Eisenberg, “What Did the Professor Say? Check Your iPod”, in New York Times",
          "text": "Laura Martho, a student at El Centro College in Dallas, finds the replay service invaluable. Mrs. Martho, who has four children, commutes 45 minutes each way four days a week to a hospital for clinical work in echocardiology.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of echocardiography"
      ],
      "links": [
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          "echocardiography",
          "echocardiography#English"
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          "word": "echocardiography"
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  "word": "echocardiology"
}