cold saw

noun

Definition of cold saw

  1. 1 :  a saw (as a circular saw) for cutting cold metal —distinguished from hot saw

  2. 2 :  a soft-steel or iron disk operated at such an angular velocity, corresponding to a velocity of a point on its periphery of about 15,000 feet per minute, that it grinds off metal by friction — compare fusing disk

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to cast off or become cast off

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