"dead air" meaning in English

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      "expansion": "dead air (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Broadcasting",
          "orig": "en:Broadcasting",
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            "Media",
            "Telecommunications",
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          "_dis": "61 39",
          "kind": "topical",
          "langcode": "en",
          "name": "Silence",
          "orig": "en:Silence",
          "parents": [
            "Sound",
            "Energy",
            "Nature",
            "All topics",
            "Fundamental"
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          "source": "w+disamb"
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      ],
      "glosses": [
        "An unintended interruption in a broadcast during which nothing is transmitted: a silent period on radio or a silent period with no picture on television."
      ],
      "id": "en-dead_air-en-noun-qBoSKkvs",
      "links": [
        [
          "broadcasting",
          "broadcasting#Noun"
        ],
        [
          "unintended",
          "unintended"
        ],
        [
          "interruption",
          "interruption"
        ],
        [
          "broadcast",
          "broadcast"
        ],
        [
          "radio",
          "radio"
        ],
        [
          "television",
          "television"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, broadcasting) An unintended interruption in a broadcast during which nothing is transmitted: a silent period on radio or a silent period with no picture on television."
      ],
      "related": [
        {
          "_dis1": "100 0",
          "word": "radio silence"
        }
      ],
      "synonyms": [
        {
          "word": "tumbleweed moment"
        }
      ],
      "tags": [
        "idiomatic",
        "uncountable"
      ],
      "topics": [
        "broadcasting",
        "media"
      ],
      "translations": [
        {
          "_dis1": "94 6",
          "code": "hu",
          "lang": "Hungarian",
          "sense": "unintended interruption of a broadcast",
          "word": "átmeneti adásszünet"
        }
      ]
    },
    {
      "categories": [],
      "glosses": [
        "A quiet or awkward moment in a conversation where neither speaker is talking."
      ],
      "id": "en-dead_air-en-noun-e4kXRgpG",
      "links": [
        [
          "quiet",
          "quiet"
        ],
        [
          "awkward",
          "awkward"
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        [
          "conversation",
          "conversation"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, by extension) A quiet or awkward moment in a conversation where neither speaker is talking."
      ],
      "tags": [
        "broadly",
        "idiomatic",
        "uncountable"
      ]
    }
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      "audio": "en-au-dead air.ogg",
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      "tags": [
        "Australia"
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      "text": "Audio (AU)"
    }
  ],
  "wikipedia": [
    "dead air"
  ],
  "word": "dead air"
}

{
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    "English uncountable nouns",
    "en:Silence"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "radio silence"
    }
  ],
  "senses": [
    {
      "categories": [
        "English idioms",
        "en:Broadcasting"
      ],
      "glosses": [
        "An unintended interruption in a broadcast during which nothing is transmitted: a silent period on radio or a silent period with no picture on television."
      ],
      "links": [
        [
          "broadcasting",
          "broadcasting#Noun"
        ],
        [
          "unintended",
          "unintended"
        ],
        [
          "interruption",
          "interruption"
        ],
        [
          "broadcast",
          "broadcast"
        ],
        [
          "radio",
          "radio"
        ],
        [
          "television",
          "television"
        ]
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      "raw_glosses": [
        "(idiomatic, broadcasting) An unintended interruption in a broadcast during which nothing is transmitted: a silent period on radio or a silent period with no picture on television."
      ],
      "synonyms": [
        {
          "word": "tumbleweed moment"
        }
      ],
      "tags": [
        "idiomatic",
        "uncountable"
      ],
      "topics": [
        "broadcasting",
        "media"
      ]
    },
    {
      "categories": [
        "English idioms"
      ],
      "glosses": [
        "A quiet or awkward moment in a conversation where neither speaker is talking."
      ],
      "links": [
        [
          "quiet",
          "quiet"
        ],
        [
          "awkward",
          "awkward"
        ],
        [
          "conversation",
          "conversation"
        ]
      ],
      "raw_glosses": [
        "(idiomatic, by extension) A quiet or awkward moment in a conversation where neither speaker is talking."
      ],
      "tags": [
        "broadly",
        "idiomatic",
        "uncountable"
      ]
    }
  ],
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  "translations": [
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "unintended interruption of a broadcast",
      "word": "átmeneti adásszünet"
    }
  ],
  "wikipedia": [
    "dead air"
  ],
  "word": "dead air"
}