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millibar

A unit of pressure equal to one one-thousandth of a bar, commonly used in meteorology to measure atmospheric pressure.
Noun
pl: millibars

This term is a specialized technical unit used almost exclusively within the fields of meteorology and atmospheric science. It provides a precise measurement of air pressure, where lower values typically indicate stormy weather and higher values suggest fair conditions.

As a standard unit of measurement, it follows the convention of remaining invariant in form when used in technical contexts, though it may be pluralized in general descriptive prose. It has been largely superseded in official international scientific standards by the hectopascal (hPa), although the two units are numerically identical.

Meanings

Examples

The barometer shows a reading of 1013 millibar.

The barometer shows a reading of 1013 millibar.

Trivia

A drop of ten millibar in a few hours usually signals a coming storm.

A drop of ten millibar in a few hours usually signals a coming storm.

Is the pressure still holding at 1020 millibar?

Is the pressure still holding at 1020 millibar?

The center of the hurricane had a minimum pressure of 910 millibar.

The center of the hurricane had a minimum pressure of 910 millibar.

History

I wonder if the pressure will drop below 1000 millibar tonight.

Standard atmospheric pressure is defined as 1013.25 millibar.

Standard atmospheric pressure is defined as 1013.25 millibar.

School Life

The weather map shows a steep gradient of several millibar across the coast.

We need to calibrate the sensor to read exactly one millibar.

Office

The air pressure increased by five millibar over the last hour.

The air pressure increased by five millibar over the last hour.

Related Words

Última actualización: May 2026Reportar un error