# PBB

> English word · Noun · frequency rank #95,250

## Definitions
1. Initialism of polybrominated biphenyl.
2. Initialism of passenger boarding bridge; Synonym of jet bridge.
3. Initialism of performance-based bonus.
4. Initialism of Provider Backbone Bridges or provider backbone bridging.

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