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CNC

American

abbreviation

Digital Technology.

computer numerical control: automated operation of a machine by a computer program.

a CNC drill press; a CNC machinist.

Etymology

Origin of CNC

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Shares of the nation’s largest health insurers such as UnitedHealth Group UNH -1.01%decrease; red down pointing triangle and Centene CNC -0.47%decrease; red down pointing triangle , meanwhile, have languished.

From The Wall Street Journal • Jan. 13, 2026

Gene Haas founded Haas CNC Racing in 2002 and the California businessman lured Stewart in as a co-owner ahead of the 2009 season.

From Seattle Times • May 28, 2024

Computer numerical control, or CNC, milling machines — which usually cost a few thousand dollars — are devices that guide drills to produce intricate and precise mechanical parts from slabs of metal.

From Los Angeles Times • May 3, 2024

At the core of Springut’s operation is a modern technique known as CNC milling—the 3D, computer-programmed drilling that produces countless components for automobiles, hospitals, and industry.

From Slate • Aug. 21, 2023

But Mr Khan says the CNC portion of the pension "sits outside the normal police pension regulations".

From BBC • Apr. 1, 2023

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023