# CNC

CEFR C1 · Noun

Source: https://englishreference.com/word/cnc
Updated: 2026-05-18

## Definition

Stands for Computer Numerical Control. A system that uses computers to control machines like lathes or routers to make precise parts.

For teachers: Abbreviation for Computer Numerical Control. A manufacturing process in which pre-programmed computer software dictates the movement of machinery and tools.

## Examples

- The factory uses CNC machines to cut metal parts.
- By switching to CNC technology, the workshop reduced the time required to produce custom furniture by half.
- Modern aerospace manufacturing relies heavily on CNC systems to ensure the precision required for components that must withstand extreme pressure and temperature fluctuations.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.