noun
- plural of millibar; units of atmospheric pressure equal to one thousandth of a bar
Usage: meteorology; scientific
Examples
- The barometric pressure dropped to 980 millibars before the storm hit.
- Weather maps show pressure readings in millibars.
- Standard atmospheric pressure at sea level is 1013.25 millibars.
- The hurricane’s central pressure measured 920 millibars.
- Meteorologists use millibars to track pressure systems.
- High pressure systems typically exceed 1020 millibars.