# millibar

> English word · Noun

## Definitions
1. A non-SI unit of pressure equal to 100 pascals, used primarily to report atmospheric pressure.

## Etymology
From milli- + bar.

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