"zero-dimensional" meaning in English

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      "expansion": "zero-dimensional (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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          "name": "Geometry",
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        {
          "kind": "topical",
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          "name": "Zero",
          "orig": "en:Zero",
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      "glosses": [
        "Having zero dimensions; having no extent in any direction."
      ],
      "id": "en-zero-dimensional-en-adj-U0DMrSmb",
      "links": [
        [
          "geometry",
          "geometry"
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      "raw_glosses": [
        "(geometry) Having zero dimensions; having no extent in any direction."
      ],
      "synonyms": [
        {
          "tags": [
            "abbreviation"
          ],
          "word": "0D"
        }
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    }
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  "word": "zero-dimensional"
}

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      "expansion": "zero-dimensional (not comparable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      "glosses": [
        "Having zero dimensions; having no extent in any direction."
      ],
      "links": [
        [
          "geometry",
          "geometry"
        ]
      ],
      "raw_glosses": [
        "(geometry) Having zero dimensions; having no extent in any direction."
      ],
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        "not-comparable"
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      "topics": [
        "geometry",
        "mathematics",
        "sciences"
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  "synonyms": [
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        "abbreviation"
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      "word": "0D"
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  "word": "zero-dimensional"
}