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18.119.140.252

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2 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 Tool steel. Hard steel, usually crucible steel, capable of being tempered so as to be suitable for tools.
 

From: WordNet (r) 2.0

 tool steel
      n : alloy steel that is suitable for making tools; is hard a
          tough and can retain a cutting edge