"tool steel" meaning in English

{
  "forms": [
    {
      "form": "tool steels",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {
        "1": "~"
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      "expansion": "tool steel (countable and uncountable, plural tool steels)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
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        },
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          "name": "Terms with Mandarin translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Alloys",
          "orig": "en:Alloys",
          "parents": [
            "Metals",
            "Matter",
            "Metallurgy",
            "Chemistry",
            "Nature",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Any of a variety of carbon and alloy steels that are particularly suited for making tools."
      ],
      "id": "en-tool_steel-en-noun-qq5tDFj0",
      "links": [
        [
          "carbon",
          "carbon"
        ],
        [
          "alloy",
          "alloy"
        ],
        [
          "steel",
          "steel"
        ],
        [
          "tool",
          "tool"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "carbon and alley steel",
          "word": "工具鋼"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "gōngjùgāng",
          "sense": "carbon and alley steel",
          "word": "工具钢"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "carbon and alley steel",
          "word": "työkaluteräs"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "carbon and alley steel",
          "tags": [
            "masculine"
          ],
          "word": "acier à outil"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "sense": "carbon and alley steel",
          "word": "工具鋼"
        }
      ],
      "wikipedia": [
        "tool steel"
      ]
    }
  ],
  "word": "tool steel"
}

{
  "forms": [
    {
      "form": "tool steels",
      "tags": [
        "plural"
      ]
    }
  ],
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    {
      "args": {
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      "expansion": "tool steel (countable and uncountable, plural tool steels)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
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        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with Japanese translations",
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      ],
      "glosses": [
        "Any of a variety of carbon and alloy steels that are particularly suited for making tools."
      ],
      "links": [
        [
          "carbon",
          "carbon"
        ],
        [
          "alloy",
          "alloy"
        ],
        [
          "steel",
          "steel"
        ],
        [
          "tool",
          "tool"
        ]
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "wikipedia": [
        "tool steel"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "carbon and alley steel",
      "word": "工具鋼"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "gōngjùgāng",
      "sense": "carbon and alley steel",
      "word": "工具钢"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "carbon and alley steel",
      "word": "työkaluteräs"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "carbon and alley steel",
      "tags": [
        "masculine"
      ],
      "word": "acier à outil"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "sense": "carbon and alley steel",
      "word": "工具鋼"
    }
  ],
  "word": "tool steel"
}