from The Century Dictionary and Cyclopedia

  • n. Steel of the composition and manufacture which render it suitable for use in machine-tools for the cutting of metals.


Sorry, no etymologies found.


  • Spinning at 80 revolutions per minute, the $8 million drill chewed through the ice with four hardened tool-steel cutters, boring ever deeper into ice that bottoms out a mile below sea level.

    Mining for Cold, Hard Facts

  • Replaceable tool-steel jaws and cutters handle common duties easily, although cutting superbraids is a struggle.

    Field Test: Fishing Pliers

  • It is a delight to see Stephenson's gears grind; they are cunningly die-cut, burnished to a fine luster, laid into an eye-pleasing Engine For Moving Scenery Through History of nigh-Piranesian design, the whole crafted of delicately-watered historick tool-steel.

    Kenneth Hite's Journal

  • Jack went back to the workshop, built a fire on the hand forge and forged a pointed and rather broad blade, four inches long, on the end of a foot of quarter-inch round tool-steel.

    The Fuzzy Papers

  • All the tests and experiments of a modern government arsenal, with all the technical knowledge of modern times, do not produce such tool-steel.

    Steam, Steel and Electricity

  • It is certainly true that by the simple processes of semi-barbarism the finest tool-steel has been manufactured, perhaps from the days of Tubal Cain downward.

    Steam, Steel and Electricity

  • Presently his friend Derec came to see him in the tool-steel cell in which he had been placed.

    The Pirates of Ersatz

  • Barrett would be glad to do business with him, once the gunsmith saw that hard tool-steel he had dug out of that place down the river.

    The Return

  • Not that Barrett wouldn't be more than glad to do business with him, once he saw that hard tool-steel he'd dug out of that place down the river.

    The Return

  • The importance of the chemical laboratory to a tool-steel plant cannot be over-estimated.

    The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel


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