kext

English

Etymology

Short for kernel extension.

Pronunciation

• IPA^(key): /kɛkst/
• Rhymes: -ɛkst

Noun

kext (plural kexts)

1. (computing) A loadable extension to the kernel of the macOS operating system.
   • 2020, Drew Smith, Apple macOS and iOS System Administration, page 76:

     Starting with macOS High Sierra, Apple introduced a new security feature that requires users to approve kexts the first time they need to load.