# MBR

> English word · Noun · frequency rank #69,236

## Definitions
1. Initialism of master bedroom.
2. Initialism of membrane bioreactor/membrane biological reactor.
3. Initialism of master boot record.
4. Initialism of maximum bitrate.
5. Initialism of management by results.

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