"hot short" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "hot short",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Metallurgy",
          "orig": "en:Metallurgy",
          "parents": [
            "Metals",
            "Technology",
            "Matter",
            "All topics",
            "Chemistry",
            "Nature",
            "Fundamental",
            "Sciences"
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          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "hot-short iron",
          "type": "example"
        }
      ],
      "glosses": [
        "Of metal: brittle at high temperatures."
      ],
      "id": "en-hot_short-en-adj-RtDjDmhP",
      "links": [
        [
          "metallurgy",
          "metallurgy"
        ],
        [
          "brittle",
          "brittle"
        ],
        [
          "temperature",
          "temperature"
        ]
      ],
      "raw_glosses": [
        "(metallurgy) Of metal: brittle at high temperatures."
      ],
      "related": [
        {
          "word": "cold short"
        }
      ],
      "topics": [
        "engineering",
        "metallurgy",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "hot short"
}

{
  "head_templates": [
    {
      "args": {
        "1": "?"
      },
      "expansion": "hot short",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "cold short"
    }
  ],
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English terms with usage examples",
        "en:Metallurgy"
      ],
      "examples": [
        {
          "text": "hot-short iron",
          "type": "example"
        }
      ],
      "glosses": [
        "Of metal: brittle at high temperatures."
      ],
      "links": [
        [
          "metallurgy",
          "metallurgy"
        ],
        [
          "brittle",
          "brittle"
        ],
        [
          "temperature",
          "temperature"
        ]
      ],
      "raw_glosses": [
        "(metallurgy) Of metal: brittle at high temperatures."
      ],
      "topics": [
        "engineering",
        "metallurgy",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "hot short"
}