control of a machine tool, or other device used in a manufacturing process, by a computer, other control circuitry, or recorded digital commands.
Origin of numerical control
First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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
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