Symbol for the millibar, an SI unit of atmospheric pressure equal to 10−3 bars.(noun)
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Use "mbar" in a sentence
"Atmospheric air pressure is often expressed in millibars and sea level atmospheric air pressure is defined as 1013.25 mbar which is equivalent to 1 atm."
"By comparison, the pressure today is about 1019 mbar."
"If the pressure of Titan were 1000 mbar, its temperature would be about -267 °C."