"H0" meaning in English

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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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      "alt_of": [
        {
          "word": "H0 scale"
        }
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      "glosses": [
        "Abbreviation of H0 scale."
      ],
      "id": "en-H0-en-noun-xRHy5bOE",
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  "word": "H0"
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      "expansion": "H0 (uncountable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "H0 scale"
        }
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      "glosses": [
        "Abbreviation of H0 scale."
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  "word": "H0"
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