# microcode

> English word · Noun · frequency rank #96,229

## Definitions
1. The collective microprograms in a CPU, used to run machine instructions.

## Etymology
From micro- + code.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/microcode