# membar

> English word · Noun

## Definitions
1. A memory barrier (an instruction that enforces an ordering constraint on memory operations issued before and after it).

## Etymology
Abbreviation of memory barrier.

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