"speech disfluency" meaning in English

{
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    {
      "form": "speech disfluencies",
      "tags": [
        "plural"
      ]
    }
  ],
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      "expansion": "speech disfluency (plural speech disfluencies)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "langcode": "en",
          "name": "Parts of speech",
          "orig": "en:Parts of speech",
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      "examples": [
        {
          "bold_text_offsets": [
            [
              111,
              128
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          "ref": "2007 August 24, William Grimes, “Uh, Lead My Rips: No More Bloopers”, in The New York Times, archived from the original on 04 Jan 2013:",
          "text": "To the long list of everyday afflictions that includes dry, itchy skin and restless leg syndrome, add another: speech disfluency.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A part of speech usually expressed as a pause or hesitation; such as err, um, hmm."
      ],
      "id": "en-speech_disfluency-en-noun-82eGReiQ",
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        ],
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          "pause",
          "pause"
        ],
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          "hesitation"
        ],
        [
          "err",
          "err"
        ],
        [
          "um",
          "um"
        ],
        [
          "hmm",
          "hmm"
        ]
      ]
    }
  ],
  "word": "speech disfluency"
}

{
  "forms": [
    {
      "form": "speech disfluencies",
      "tags": [
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    }
  ],
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      "expansion": "speech disfluency (plural speech disfluencies)",
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  "lang_code": "en",
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          "text": "To the long list of everyday afflictions that includes dry, itchy skin and restless leg syndrome, add another: speech disfluency.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A part of speech usually expressed as a pause or hesitation; such as err, um, hmm."
      ],
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        ],
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          "pause",
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        ],
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          "um",
          "um"
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  ],
  "word": "speech disfluency"
}