noun
- a unit of atmospheric pressure equal to one thousandth of a bar
Usage: meteorology
Examples
- The barometric pressure dropped to 980 millibars as the storm approached.
- Weather maps show pressure readings in millibars.
- Standard atmospheric pressure at sea level is 1013.25 millibars.
- The hurricane’s central pressure was measured at 920 millibars.
- Meteorologists use millibars to track changes in air pressure.
- A reading below 1000 millibars typically indicates stormy weather.