# PMB

> English word · Noun · frequency rank #88,718

## Definitions
1. Initialism of polymer-modified binder.
2. Initialism of polymer-modified bitumen.
3. Abbreviation of private mailbox (a mailbox like a PO box but from a private company).

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