"LAH" meaning in English

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      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "lithium aluminium hydride"
        }
      ],
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          "source": "w"
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Inorganic compounds",
          "orig": "en:Inorganic compounds",
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      ],
      "glosses": [
        "Initialism of lithium aluminium hydride."
      ],
      "id": "en-LAH-en-noun-xVUcmiaE",
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        [
          "inorganic chemistry",
          "inorganic chemistry"
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        [
          "lithium aluminium hydride",
          "lithium aluminium hydride#English"
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      "raw_glosses": [
        "(inorganic chemistry) Initialism of lithium aluminium hydride."
      ],
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        "abbreviation",
        "alt-of",
        "initialism"
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      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
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    }
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  "word": "LAH"
}

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      "expansion": "LAH",
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "lithium aluminium hydride"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English initialisms",
        "English lemmas",
        "English nouns",
        "English nouns with unknown or uncertain plurals",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Inorganic compounds"
      ],
      "glosses": [
        "Initialism of lithium aluminium hydride."
      ],
      "links": [
        [
          "inorganic chemistry",
          "inorganic chemistry"
        ],
        [
          "lithium aluminium hydride",
          "lithium aluminium hydride#English"
        ]
      ],
      "raw_glosses": [
        "(inorganic chemistry) Initialism of lithium aluminium hydride."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "chemistry",
        "inorganic-chemistry",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "LAH"
}