"superacoustic" meaning in English

{
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    {
      "args": {
        "1": "en",
        "2": "super",
        "3": "acoustic"
      },
      "expansion": "super- + acoustic",
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    }
  ],
  "etymology_text": "super- + acoustic",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "superacoustic (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
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          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
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          "kind": "other",
          "name": "English terms prefixed with super-",
          "parents": [],
          "source": "w"
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      "examples": [
        {
          "ref": "2016, Frank Verheest, Carel P. Olivier, Willy A. Hereman, “Modified Korteweg-de Vries solitons at supercritical densities in two-electron temperature plasmas”, in Journal of Plasma Physics, volume 82",
          "text": "This comparison shows that the mKdV solitons have slightly larger amplitudes and widths than those obtained from the more complete Sagdeev solution and that only slightly superacoustic mKdV solitons have acceptable amplitudes and widths, in the light of the full solutions..",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of supersonic"
      ],
      "id": "en-superacoustic-en-adj-xaMLA9AW",
      "links": [
        [
          "supersonic",
          "supersonic#English"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "synonym",
            "synonym-of"
          ],
          "word": "supersonic"
        }
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "superacoustic"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "super",
        "3": "acoustic"
      },
      "expansion": "super- + acoustic",
      "name": "prefix"
    }
  ],
  "etymology_text": "super- + acoustic",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "superacoustic (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
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      "examples": [
        {
          "ref": "2016, Frank Verheest, Carel P. Olivier, Willy A. Hereman, “Modified Korteweg-de Vries solitons at supercritical densities in two-electron temperature plasmas”, in Journal of Plasma Physics, volume 82",
          "text": "This comparison shows that the mKdV solitons have slightly larger amplitudes and widths than those obtained from the more complete Sagdeev solution and that only slightly superacoustic mKdV solitons have acceptable amplitudes and widths, in the light of the full solutions..",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Synonym of supersonic"
      ],
      "links": [
        [
          "supersonic",
          "supersonic#English"
        ]
      ],
      "synonyms": [
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          "word": "supersonic"
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      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "superacoustic"
}