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CNC

American  

abbreviation

Digital Technology.
  1. 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.

See Examples For:

Centene CNC 1.06%increase; up pointing triangle lifted its guidance for the year after revenue and profit growth in the second quarter were driven by strength in its core government-sponsored and individual healthcare lines.

From The Wall Street Journal Jul. 28, 2026

For example, Sciortino cites the impressive number of workers who can operate CNC machines - a type of computer-controlled machine tool which can cut, carve, or shape materials including wood, metal, or plastic.

From BBC Apr. 20, 2026

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

A CNC, or computer numerical control, machine is then used to cut into the metal and create the exact design and button holes.

From Seattle Times Sep. 4, 2023

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

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