"minicavity" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mini",
        "3": "cavity"
      },
      "expansion": "mini- + cavity",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mini- + cavity.",
  "forms": [
    {
      "form": "minicavities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "minicavity (plural minicavities)",
      "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",
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          "source": "w"
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          "parents": [],
          "source": "w"
        },
        {
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          "parents": [],
          "source": "w"
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        {
          "ref": "2016, Anna Ciurlo, Thibaut Paumard, Daniel Rouan, Yann Clénet, “Hot molecular hydrogen in the central parsec of the Galaxy through near-infrared 3D fitting”, in arXiv:",
          "text": "A strong deviation from thermal equilibrium is detected near the minicavity.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A small cavity"
      ],
      "id": "en-minicavity-en-noun-JLt6JCsj",
      "links": [
        [
          "cavity",
          "cavity"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ævɪti"
    }
  ],
  "word": "minicavity"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "mini",
        "3": "cavity"
      },
      "expansion": "mini- + cavity",
      "name": "prefix"
    }
  ],
  "etymology_text": "From mini- + cavity.",
  "forms": [
    {
      "form": "minicavities",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "minicavity (plural minicavities)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with mini-",
        "English terms with quotations",
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        "Pages with entries",
        "Rhymes:English/ævɪti",
        "Rhymes:English/ævɪti/5 syllables"
      ],
      "examples": [
        {
          "ref": "2016, Anna Ciurlo, Thibaut Paumard, Daniel Rouan, Yann Clénet, “Hot molecular hydrogen in the central parsec of the Galaxy through near-infrared 3D fitting”, in arXiv:",
          "text": "A strong deviation from thermal equilibrium is detected near the minicavity.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A small cavity"
      ],
      "links": [
        [
          "cavity",
          "cavity"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "rhymes": "-ævɪti"
    }
  ],
  "word": "minicavity"
}