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numerical control

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noun Computers.
  1. control of a machine tool, or other device used in a manufacturing process, by a computer, other control circuitry, or recorded digital commands.
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Origin of numerical control

First recorded in 1950–55
Related formsnumerically controlled, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for numerical control

numerical control

noun
  1. engineering a form of computer control applied to machine tools, by which an operation is directed from numerical data stored on tape or punched on cards
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012