Dictionary.com
Thesaurus.com

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.

The US company Shaper makes a handheld CNC router, as well as digital solutions that allow for straightforward scanning and designing before cutting.

From BBC • May 11, 2026

This explains why Centene CNC -1.04%decrease; red down pointing triangle and Molina Healthcare MOH 2.18%increase; green up pointing triangle shares were sharply lower this year, before partly rebounding in recent weeks.

From The Wall Street Journal • Oct. 20, 2025

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

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "CNC" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com